Home / 853,312.30-1,177,548.39-471,330.88

Finding the Fourth Proportional to 853,312.30, 1,177,548.39 and 471,330.88

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Solution

The fourth proportional to 853,312.30, 1,177,548.39 and 471,330.88 is: 650,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,312.30 : 1,177,548.39 = 471,330.88 : x
  2. Step 2: Convert to fraction form
    853,312.30/1,177,548.39 = 471,330.88/x
  3. Step 3: Cross multiply
    853,312.30x = 1,177,548.39 × 471,330.88
  4. Step 4: Simplify right side
    853,312.30x = 555,014,918,901.28
  5. Step 5: Solve for x
    x = 555,014,918,901.28/853,312.30
  6. Step 6: Final answer
    x = 650,424.14

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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.