Home / 1,121,604.17-1,547,805.88-612,306.55

Finding the Fourth Proportional to 1,121,604.17, 1,547,805.88 and 612,306.55

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Solution

The fourth proportional to 1,121,604.17, 1,547,805.88 and 612,306.55 is: 844,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,604.17 : 1,547,805.88 = 612,306.55 : x
  2. Step 2: Convert to fraction form
    1,121,604.17/1,547,805.88 = 612,306.55/x
  3. Step 3: Cross multiply
    1,121,604.17x = 1,547,805.88 × 612,306.55
  4. Step 4: Simplify right side
    1,121,604.17x = 947,731,678,452.51
  5. Step 5: Solve for x
    x = 947,731,678,452.51/1,121,604.17
  6. Step 6: Final answer
    x = 844,978.74

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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.