Home / 1,121,498.61-1,547,667.45-612,200.85

Finding the Fourth Proportional to 1,121,498.61, 1,547,667.45 and 612,200.85

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Solution

The fourth proportional to 1,121,498.61, 1,547,667.45 and 612,200.85 is: 844,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,498.61 : 1,547,667.45 = 612,200.85 : x
  2. Step 2: Convert to fraction form
    1,121,498.61/1,547,667.45 = 612,200.85/x
  3. Step 3: Cross multiply
    1,121,498.61x = 1,547,667.45 × 612,200.85
  4. Step 4: Simplify right side
    1,121,498.61x = 947,483,328,407.33
  5. Step 5: Solve for x
    x = 947,483,328,407.33/1,121,498.61
  6. Step 6: Final answer
    x = 844,836.83

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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.