Home / 1,005,710.52-1,507,569.30-472,276.68

Finding the Fourth Proportional to 1,005,710.52, 1,507,569.30 and 472,276.68

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Solution

The fourth proportional to 1,005,710.52, 1,507,569.30 and 472,276.68 is: 707,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,710.52 : 1,507,569.30 = 472,276.68 : x
  2. Step 2: Convert to fraction form
    1,005,710.52/1,507,569.30 = 472,276.68/x
  3. Step 3: Cross multiply
    1,005,710.52x = 1,507,569.30 × 472,276.68
  4. Step 4: Simplify right side
    1,005,710.52x = 711,989,823,873.92
  5. Step 5: Solve for x
    x = 711,989,823,873.92/1,005,710.52
  6. Step 6: Final answer
    x = 707,947.08

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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.