Home / 849,445.38-1,172,234.28-467,472.16

Finding the Fourth Proportional to 849,445.38, 1,172,234.28 and 467,472.16

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Solution

The fourth proportional to 849,445.38, 1,172,234.28 and 467,472.16 is: 645,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,445.38 : 1,172,234.28 = 467,472.16 : x
  2. Step 2: Convert to fraction form
    849,445.38/1,172,234.28 = 467,472.16/x
  3. Step 3: Cross multiply
    849,445.38x = 1,172,234.28 × 467,472.16
  4. Step 4: Simplify right side
    849,445.38x = 547,986,886,214.04
  5. Step 5: Solve for x
    x = 547,986,886,214.04/849,445.38
  6. Step 6: Final answer
    x = 645,111.39

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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.