Home / 853,694.89-1,178,098.55-471,718.33

Finding the Fourth Proportional to 853,694.89, 1,178,098.55 and 471,718.33

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Solution

The fourth proportional to 853,694.89, 1,178,098.55 and 471,718.33 is: 650,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,694.89 : 1,178,098.55 = 471,718.33 : x
  2. Step 2: Convert to fraction form
    853,694.89/1,178,098.55 = 471,718.33/x
  3. Step 3: Cross multiply
    853,694.89x = 1,178,098.55 × 471,718.33
  4. Step 4: Simplify right side
    853,694.89x = 555,730,680,581.42
  5. Step 5: Solve for x
    x = 555,730,680,581.42/853,694.89
  6. Step 6: Final answer
    x = 650,971.08

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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.