Home / 736,105.74-1,015,861.95-413,916.90

Finding the Fourth Proportional to 736,105.74, 1,015,861.95 and 413,916.90

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Solution

The fourth proportional to 736,105.74, 1,015,861.95 and 413,916.90 is: 571,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,105.74 : 1,015,861.95 = 413,916.90 : x
  2. Step 2: Convert to fraction form
    736,105.74/1,015,861.95 = 413,916.90/x
  3. Step 3: Cross multiply
    736,105.74x = 1,015,861.95 × 413,916.90
  4. Step 4: Simplify right side
    736,105.74x = 420,482,429,171.96
  5. Step 5: Solve for x
    x = 420,482,429,171.96/736,105.74
  6. Step 6: Final answer
    x = 571,225.58

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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.