Home / 817,091.20-1,225,636.80-607,139.20

Finding the Fourth Proportional to 817,091.20, 1,225,636.80 and 607,139.20

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Solution

The fourth proportional to 817,091.20, 1,225,636.80 and 607,139.20 is: 910,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,091.20 : 1,225,636.80 = 607,139.20 : x
  2. Step 2: Convert to fraction form
    817,091.20/1,225,636.80 = 607,139.20/x
  3. Step 3: Cross multiply
    817,091.20x = 1,225,636.80 × 607,139.20
  4. Step 4: Simplify right side
    817,091.20x = 744,132,146,242.56
  5. Step 5: Solve for x
    x = 744,132,146,242.56/817,091.20
  6. Step 6: Final answer
    x = 910,708.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.