Home / 925,209.61-1,276,730.10-517,345.04

Finding the Fourth Proportional to 925,209.61, 1,276,730.10 and 517,345.04

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Solution

The fourth proportional to 925,209.61, 1,276,730.10 and 517,345.04 is: 713,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,209.61 : 1,276,730.10 = 517,345.04 : x
  2. Step 2: Convert to fraction form
    925,209.61/1,276,730.10 = 517,345.04/x
  3. Step 3: Cross multiply
    925,209.61x = 1,276,730.10 × 517,345.04
  4. Step 4: Simplify right side
    925,209.61x = 660,509,987,845.53
  5. Step 5: Solve for x
    x = 660,509,987,845.53/925,209.61
  6. Step 6: Final answer
    x = 713,903.08

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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.