Home / 736,041.60-1,015,821.61-409,387.64

Finding the Fourth Proportional to 736,041.60, 1,015,821.61 and 409,387.64

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Solution

The fourth proportional to 736,041.60, 1,015,821.61 and 409,387.64 is: 565,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,041.60 : 1,015,821.61 = 409,387.64 : x
  2. Step 2: Convert to fraction form
    736,041.60/1,015,821.61 = 409,387.64/x
  3. Step 3: Cross multiply
    736,041.60x = 1,015,821.61 × 409,387.64
  4. Step 4: Simplify right side
    736,041.60x = 415,864,805,476.32
  5. Step 5: Solve for x
    x = 415,864,805,476.32/736,041.60
  6. Step 6: Final answer
    x = 565,001.77

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Double scale
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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.