Home / 788,462.10-1,182,693.15-490,835.70

Finding the Fourth Proportional to 788,462.10, 1,182,693.15 and 490,835.70

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Solution

The fourth proportional to 788,462.10, 1,182,693.15 and 490,835.70 is: 736,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,462.10 : 1,182,693.15 = 490,835.70 : x
  2. Step 2: Convert to fraction form
    788,462.10/1,182,693.15 = 490,835.70/x
  3. Step 3: Cross multiply
    788,462.10x = 1,182,693.15 × 490,835.70
  4. Step 4: Simplify right side
    788,462.10x = 580,508,020,165.46
  5. Step 5: Solve for x
    x = 580,508,020,165.46/788,462.10
  6. Step 6: Final answer
    x = 736,253.55

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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.