Home / 924,005.80-1,386,008.70-324,962.20

Finding the Fourth Proportional to 924,005.80, 1,386,008.70 and 324,962.20

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Solution

The fourth proportional to 924,005.80, 1,386,008.70 and 324,962.20 is: 487,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,005.80 : 1,386,008.70 = 324,962.20 : x
  2. Step 2: Convert to fraction form
    924,005.80/1,386,008.70 = 324,962.20/x
  3. Step 3: Cross multiply
    924,005.80x = 1,386,008.70 × 324,962.20
  4. Step 4: Simplify right side
    924,005.80x = 450,400,436,371.14
  5. Step 5: Solve for x
    x = 450,400,436,371.14/924,005.80
  6. Step 6: Final answer
    x = 487,443.30

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1.5x scale

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.