Home / 724,274.60-1,086,411.90-710,277.80

Finding the Fourth Proportional to 724,274.60, 1,086,411.90 and 710,277.80

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Solution

The fourth proportional to 724,274.60, 1,086,411.90 and 710,277.80 is: 1,065,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,274.60 : 1,086,411.90 = 710,277.80 : x
  2. Step 2: Convert to fraction form
    724,274.60/1,086,411.90 = 710,277.80/x
  3. Step 3: Cross multiply
    724,274.60x = 1,086,411.90 × 710,277.80
  4. Step 4: Simplify right side
    724,274.60x = 771,654,254,225.82
  5. Step 5: Solve for x
    x = 771,654,254,225.82/724,274.60
  6. Step 6: Final answer
    x = 1,065,416.70

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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.