Home / 844,340.40-1,165,154.76-462,360.60

Finding the Fourth Proportional to 844,340.40, 1,165,154.76 and 462,360.60

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Solution

The fourth proportional to 844,340.40, 1,165,154.76 and 462,360.60 is: 638,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,340.40 : 1,165,154.76 = 462,360.60 : x
  2. Step 2: Convert to fraction form
    844,340.40/1,165,154.76 = 462,360.60/x
  3. Step 3: Cross multiply
    844,340.40x = 1,165,154.76 × 462,360.60
  4. Step 4: Simplify right side
    844,340.40x = 538,721,653,926.46
  5. Step 5: Solve for x
    x = 538,721,653,926.46/844,340.40
  6. Step 6: Final answer
    x = 638,038.47

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Half scale
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Double scale
Find fourth proportional to 844,341.40, 1,165,156.14 and 462,361.60
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.