Home / 887,084.79-1,224,176.27-479,186.51

Finding the Fourth Proportional to 887,084.79, 1,224,176.27 and 479,186.51

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Solution

The fourth proportional to 887,084.79, 1,224,176.27 and 479,186.51 is: 661,276.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,084.79 : 1,224,176.27 = 479,186.51 : x
  2. Step 2: Convert to fraction form
    887,084.79/1,224,176.27 = 479,186.51/x
  3. Step 3: Cross multiply
    887,084.79x = 1,224,176.27 × 479,186.51
  4. Step 4: Simplify right side
    887,084.79x = 586,608,745,929.30
  5. Step 5: Solve for x
    x = 586,608,745,929.30/887,084.79
  6. Step 6: Final answer
    x = 661,276.97

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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.