Home / 764,247.60-1,053,550.08-534,090.30

Finding the Fourth Proportional to 764,247.60, 1,053,550.08 and 534,090.30

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Solution

The fourth proportional to 764,247.60, 1,053,550.08 and 534,090.30 is: 736,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,247.60 : 1,053,550.08 = 534,090.30 : x
  2. Step 2: Convert to fraction form
    764,247.60/1,053,550.08 = 534,090.30/x
  3. Step 3: Cross multiply
    764,247.60x = 1,053,550.08 × 534,090.30
  4. Step 4: Simplify right side
    764,247.60x = 562,690,878,292.22
  5. Step 5: Solve for x
    x = 562,690,878,292.22/764,247.60
  6. Step 6: Final answer
    x = 736,267.77

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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.