Home / 771,890.85-1,064,817.50-526,691.70

Finding the Fourth Proportional to 771,890.85, 1,064,817.50 and 526,691.70

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Solution

The fourth proportional to 771,890.85, 1,064,817.50 and 526,691.70 is: 726,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,890.85 : 1,064,817.50 = 526,691.70 : x
  2. Step 2: Convert to fraction form
    771,890.85/1,064,817.50 = 526,691.70/x
  3. Step 3: Cross multiply
    771,890.85x = 1,064,817.50 × 526,691.70
  4. Step 4: Simplify right side
    771,890.85x = 560,830,536,631.29
  5. Step 5: Solve for x
    x = 560,830,536,631.29/771,890.85
  6. Step 6: Final answer
    x = 726,567.15

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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.