Home / 607,764.20-911,646.30-537,780.20

Finding the Fourth Proportional to 607,764.20, 911,646.30 and 537,780.20

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Solution

The fourth proportional to 607,764.20, 911,646.30 and 537,780.20 is: 806,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,764.20 : 911,646.30 = 537,780.20 : x
  2. Step 2: Convert to fraction form
    607,764.20/911,646.30 = 537,780.20/x
  3. Step 3: Cross multiply
    607,764.20x = 911,646.30 × 537,780.20
  4. Step 4: Simplify right side
    607,764.20x = 490,265,329,543.26
  5. Step 5: Solve for x
    x = 490,265,329,543.26/607,764.20
  6. Step 6: Final answer
    x = 806,670.30

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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.