Home / 934,712.40-1,402,068.60-580,126.80

Finding the Fourth Proportional to 934,712.40, 1,402,068.60 and 580,126.80

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Solution

The fourth proportional to 934,712.40, 1,402,068.60 and 580,126.80 is: 870,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,712.40 : 1,402,068.60 = 580,126.80 : x
  2. Step 2: Convert to fraction form
    934,712.40/1,402,068.60 = 580,126.80/x
  3. Step 3: Cross multiply
    934,712.40x = 1,402,068.60 × 580,126.80
  4. Step 4: Simplify right side
    934,712.40x = 813,377,570,298.48
  5. Step 5: Solve for x
    x = 813,377,570,298.48/934,712.40
  6. Step 6: Final answer
    x = 870,190.20

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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.