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Finding the Fourth Proportional to 1,041,860.24, 1,570,599 and 972,419.88

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Solution

The fourth proportional to 1,041,860.24, 1,570,599 and 972,419.88 is: 1,465,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,860.24 : 1,570,599 = 972,419.88 : x
  2. Step 2: Convert to fraction form
    1,041,860.24/1,570,599 = 972,419.88/x
  3. Step 3: Cross multiply
    1,041,860.24x = 1,570,599 × 972,419.88
  4. Step 4: Simplify right side
    1,041,860.24x = 1,527,281,691,108.12
  5. Step 5: Solve for x
    x = 1,527,281,691,108.12/1,041,860.24
  6. Step 6: Final answer
    x = 1,465,918.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.