Home / 849,684.05-1,172,594.95-462,480.76

Finding the Fourth Proportional to 849,684.05, 1,172,594.95 and 462,480.76

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Solution

The fourth proportional to 849,684.05, 1,172,594.95 and 462,480.76 is: 638,240.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,684.05 : 1,172,594.95 = 462,480.76 : x
  2. Step 2: Convert to fraction form
    849,684.05/1,172,594.95 = 462,480.76/x
  3. Step 3: Cross multiply
    849,684.05x = 1,172,594.95 × 462,480.76
  4. Step 4: Simplify right side
    849,684.05x = 542,302,607,735.85
  5. Step 5: Solve for x
    x = 542,302,607,735.85/849,684.05
  6. Step 6: Final answer
    x = 638,240.31

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Half scale
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Double scale
Find fourth proportional to 849,685.05, 1,172,596.33 and 462,481.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.