Home / 884,694.16-1,220,841.72-497,498.56

Finding the Fourth Proportional to 884,694.16, 1,220,841.72 and 497,498.56

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Solution

The fourth proportional to 884,694.16, 1,220,841.72 and 497,498.56 is: 686,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,694.16 : 1,220,841.72 = 497,498.56 : x
  2. Step 2: Convert to fraction form
    884,694.16/1,220,841.72 = 497,498.56/x
  3. Step 3: Cross multiply
    884,694.16x = 1,220,841.72 × 497,498.56
  4. Step 4: Simplify right side
    884,694.16x = 607,366,997,687.92
  5. Step 5: Solve for x
    x = 607,366,997,687.92/884,694.16
  6. Step 6: Final answer
    x = 686,527.64

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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.