Home / 1,623,154.60-2,434,731.90-781,503.40

Finding the Fourth Proportional to 1,623,154.60, 2,434,731.90 and 781,503.40

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Solution

The fourth proportional to 1,623,154.60, 2,434,731.90 and 781,503.40 is: 1,172,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,154.60 : 2,434,731.90 = 781,503.40 : x
  2. Step 2: Convert to fraction form
    1,623,154.60/2,434,731.90 = 781,503.40/x
  3. Step 3: Cross multiply
    1,623,154.60x = 2,434,731.90 × 781,503.40
  4. Step 4: Simplify right side
    1,623,154.60x = 1,902,751,257,938.46
  5. Step 5: Solve for x
    x = 1,902,751,257,938.46/1,623,154.60
  6. Step 6: Final answer
    x = 1,172,255.10

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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.