Home / 853,966.62-1,178,535.06-471,985.20

Finding the Fourth Proportional to 853,966.62, 1,178,535.06 and 471,985.20

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Solution

The fourth proportional to 853,966.62, 1,178,535.06 and 471,985.20 is: 651,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,966.62 : 1,178,535.06 = 471,985.20 : x
  2. Step 2: Convert to fraction form
    853,966.62/1,178,535.06 = 471,985.20/x
  3. Step 3: Cross multiply
    853,966.62x = 1,178,535.06 × 471,985.20
  4. Step 4: Simplify right side
    853,966.62x = 556,251,106,001.11
  5. Step 5: Solve for x
    x = 556,251,106,001.11/853,966.62
  6. Step 6: Final answer
    x = 651,373.36

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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.