Home / 1,005,706.52-1,507,563.30-472,272.68

Finding the Fourth Proportional to 1,005,706.52, 1,507,563.30 and 472,272.68

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Solution

The fourth proportional to 1,005,706.52, 1,507,563.30 and 472,272.68 is: 707,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,706.52 : 1,507,563.30 = 472,272.68 : x
  2. Step 2: Convert to fraction form
    1,005,706.52/1,507,563.30 = 472,272.68/x
  3. Step 3: Cross multiply
    1,005,706.52x = 1,507,563.30 × 472,272.68
  4. Step 4: Simplify right side
    1,005,706.52x = 711,980,959,960.64
  5. Step 5: Solve for x
    x = 711,980,959,960.64/1,005,706.52
  6. Step 6: Final answer
    x = 707,941.08

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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.