Home / 1,435,781.40-2,153,283.30-424,901.40

Finding the Fourth Proportional to 1,435,781.40, 2,153,283.30 and 424,901.40

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Solution

The fourth proportional to 1,435,781.40, 2,153,283.30 and 424,901.40 is: 637,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,781.40 : 2,153,283.30 = 424,901.40 : x
  2. Step 2: Convert to fraction form
    1,435,781.40/2,153,283.30 = 424,901.40/x
  3. Step 3: Cross multiply
    1,435,781.40x = 2,153,283.30 × 424,901.40
  4. Step 4: Simplify right side
    1,435,781.40x = 914,933,088,766.62
  5. Step 5: Solve for x
    x = 914,933,088,766.62/1,435,781.40
  6. Step 6: Final answer
    x = 637,237.04

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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.