Home / 1,008,053.60-1,391,118-555,346.40

Finding the Fourth Proportional to 1,008,053.60, 1,391,118 and 555,346.40

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Solution

The fourth proportional to 1,008,053.60, 1,391,118 and 555,346.40 is: 766,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,053.60 : 1,391,118 = 555,346.40 : x
  2. Step 2: Convert to fraction form
    1,008,053.60/1,391,118 = 555,346.40/x
  3. Step 3: Cross multiply
    1,008,053.60x = 1,391,118 × 555,346.40
  4. Step 4: Simplify right side
    1,008,053.60x = 772,552,373,275.20
  5. Step 5: Solve for x
    x = 772,552,373,275.20/1,008,053.60
  6. Step 6: Final answer
    x = 766,380.25

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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.