Home / 1,265,253.60-1,897,880.40-517,124.64

Finding the Fourth Proportional to 1,265,253.60, 1,897,880.40 and 517,124.64

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Solution

The fourth proportional to 1,265,253.60, 1,897,880.40 and 517,124.64 is: 775,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,253.60 : 1,897,880.40 = 517,124.64 : x
  2. Step 2: Convert to fraction form
    1,265,253.60/1,897,880.40 = 517,124.64/x
  3. Step 3: Cross multiply
    1,265,253.60x = 1,897,880.40 × 517,124.64
  4. Step 4: Simplify right side
    1,265,253.60x = 981,440,718,613.06
  5. Step 5: Solve for x
    x = 981,440,718,613.06/1,265,253.60
  6. Step 6: Final answer
    x = 775,686.96

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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.