Home / 893,130.69-1,232,534.34-485,240.61

Finding the Fourth Proportional to 893,130.69, 1,232,534.34 and 485,240.61

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Solution

The fourth proportional to 893,130.69, 1,232,534.34 and 485,240.61 is: 669,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,130.69 : 1,232,534.34 = 485,240.61 : x
  2. Step 2: Convert to fraction form
    893,130.69/1,232,534.34 = 485,240.61/x
  3. Step 3: Cross multiply
    893,130.69x = 1,232,534.34 × 485,240.61
  4. Step 4: Simplify right side
    893,130.69x = 598,075,714,987.55
  5. Step 5: Solve for x
    x = 598,075,714,987.55/893,130.69
  6. Step 6: Final answer
    x = 669,639.64

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Double scale
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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.