Home / 738,725.32-1,019,456.53-416,435.43

Finding the Fourth Proportional to 738,725.32, 1,019,456.53 and 416,435.43

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Solution

The fourth proportional to 738,725.32, 1,019,456.53 and 416,435.43 is: 574,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,725.32 : 1,019,456.53 = 416,435.43 : x
  2. Step 2: Convert to fraction form
    738,725.32/1,019,456.53 = 416,435.43/x
  3. Step 3: Cross multiply
    738,725.32x = 1,019,456.53 × 416,435.43
  4. Step 4: Simplify right side
    738,725.32x = 424,537,817,826.74
  5. Step 5: Solve for x
    x = 424,537,817,826.74/738,725.32
  6. Step 6: Final answer
    x = 574,689.68

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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.