Home / 934,709.40-1,402,064.10-580,123.80

Finding the Fourth Proportional to 934,709.40, 1,402,064.10 and 580,123.80

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Solution

The fourth proportional to 934,709.40, 1,402,064.10 and 580,123.80 is: 870,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,709.40 : 1,402,064.10 = 580,123.80 : x
  2. Step 2: Convert to fraction form
    934,709.40/1,402,064.10 = 580,123.80/x
  3. Step 3: Cross multiply
    934,709.40x = 1,402,064.10 × 580,123.80
  4. Step 4: Simplify right side
    934,709.40x = 813,370,753,535.58
  5. Step 5: Solve for x
    x = 813,370,753,535.58/934,709.40
  6. Step 6: Final answer
    x = 870,185.70

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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.