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Finding the Fourth Proportional to 1,241,009,589.03, 1,712,695,614.89 and 712,475,571.30

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Solution

The fourth proportional to 1,241,009,589.03, 1,712,695,614.89 and 712,475,571.30 is: 983,275,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,009,589.03 : 1,712,695,614.89 = 712,475,571.30 : x
  2. Step 2: Convert to fraction form
    1,241,009,589.03/1,712,695,614.89 = 712,475,571.30/x
  3. Step 3: Cross multiply
    1,241,009,589.03x = 1,712,695,614.89 × 712,475,571.30
  4. Step 4: Simplify right side
    1,241,009,589.03x = 1,220,253,786,678,194,944
  5. Step 5: Solve for x
    x = 1,220,253,786,678,194,944/1,241,009,589.03
  6. Step 6: Final answer
    x = 983,275,066.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.