Home / 1,019,925.60-1,527,814.80-521,570.40

Finding the Fourth Proportional to 1,019,925.60, 1,527,814.80 and 521,570.40

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Solution

The fourth proportional to 1,019,925.60, 1,527,814.80 and 521,570.40 is: 781,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,925.60 : 1,527,814.80 = 521,570.40 : x
  2. Step 2: Convert to fraction form
    1,019,925.60/1,527,814.80 = 521,570.40/x
  3. Step 3: Cross multiply
    1,019,925.60x = 1,527,814.80 × 521,570.40
  4. Step 4: Simplify right side
    1,019,925.60x = 796,862,976,361.92
  5. Step 5: Solve for x
    x = 796,862,976,361.92/1,019,925.60
  6. Step 6: Final answer
    x = 781,295.20

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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.