Home / 546,074.10-819,111.15-357,117.30

Finding the Fourth Proportional to 546,074.10, 819,111.15 and 357,117.30

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Solution

The fourth proportional to 546,074.10, 819,111.15 and 357,117.30 is: 535,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,074.10 : 819,111.15 = 357,117.30 : x
  2. Step 2: Convert to fraction form
    546,074.10/819,111.15 = 357,117.30/x
  3. Step 3: Cross multiply
    546,074.10x = 819,111.15 × 357,117.30
  4. Step 4: Simplify right side
    546,074.10x = 292,518,762,287.90
  5. Step 5: Solve for x
    x = 292,518,762,287.90/546,074.10
  6. Step 6: Final answer
    x = 535,675.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.