Home / 885,343.68-1,221,778.14-482,944.32

Finding the Fourth Proportional to 885,343.68, 1,221,778.14 and 482,944.32

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Solution

The fourth proportional to 885,343.68, 1,221,778.14 and 482,944.32 is: 666,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,343.68 : 1,221,778.14 = 482,944.32 : x
  2. Step 2: Convert to fraction form
    885,343.68/1,221,778.14 = 482,944.32/x
  3. Step 3: Cross multiply
    885,343.68x = 1,221,778.14 × 482,944.32
  4. Step 4: Simplify right side
    885,343.68x = 590,050,813,013.17
  5. Step 5: Solve for x
    x = 590,050,813,013.17/885,343.68
  6. Step 6: Final answer
    x = 666,465.27

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.