Home / 1,223,124.80-1,834,687.20-656,254.40

Finding the Fourth Proportional to 1,223,124.80, 1,834,687.20 and 656,254.40

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Solution

The fourth proportional to 1,223,124.80, 1,834,687.20 and 656,254.40 is: 984,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,124.80 : 1,834,687.20 = 656,254.40 : x
  2. Step 2: Convert to fraction form
    1,223,124.80/1,834,687.20 = 656,254.40/x
  3. Step 3: Cross multiply
    1,223,124.80x = 1,834,687.20 × 656,254.40
  4. Step 4: Simplify right side
    1,223,124.80x = 1,204,021,547,623.68
  5. Step 5: Solve for x
    x = 1,204,021,547,623.68/1,223,124.80
  6. Step 6: Final answer
    x = 984,381.60

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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.