Home / 616,115.57-849,686.90-513,090.86

Finding the Fourth Proportional to 616,115.57, 849,686.90 and 513,090.86

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Solution

The fourth proportional to 616,115.57, 849,686.90 and 513,090.86 is: 707,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,115.57 : 849,686.90 = 513,090.86 : x
  2. Step 2: Convert to fraction form
    616,115.57/849,686.90 = 513,090.86/x
  3. Step 3: Cross multiply
    616,115.57x = 849,686.90 × 513,090.86
  4. Step 4: Simplify right side
    616,115.57x = 435,966,575,437.85
  5. Step 5: Solve for x
    x = 435,966,575,437.85/616,115.57
  6. Step 6: Final answer
    x = 707,605.20

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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.