Home / 873,564.72-1,205,426.52-491,585.28

Finding the Fourth Proportional to 873,564.72, 1,205,426.52 and 491,585.28

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Solution

The fourth proportional to 873,564.72, 1,205,426.52 and 491,585.28 is: 678,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,564.72 : 1,205,426.52 = 491,585.28 : x
  2. Step 2: Convert to fraction form
    873,564.72/1,205,426.52 = 491,585.28/x
  3. Step 3: Cross multiply
    873,564.72x = 1,205,426.52 × 491,585.28
  4. Step 4: Simplify right side
    873,564.72x = 592,569,933,353.63
  5. Step 5: Solve for x
    x = 592,569,933,353.63/873,564.72
  6. Step 6: Final answer
    x = 678,335.47

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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.