Home / 736,680.96-1,105,021.44-487,304.64

Finding the Fourth Proportional to 736,680.96, 1,105,021.44 and 487,304.64

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Solution

The fourth proportional to 736,680.96, 1,105,021.44 and 487,304.64 is: 730,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,680.96 : 1,105,021.44 = 487,304.64 : x
  2. Step 2: Convert to fraction form
    736,680.96/1,105,021.44 = 487,304.64/x
  3. Step 3: Cross multiply
    736,680.96x = 1,105,021.44 × 487,304.64
  4. Step 4: Simplify right side
    736,680.96x = 538,482,075,011.48
  5. Step 5: Solve for x
    x = 538,482,075,011.48/736,680.96
  6. Step 6: Final answer
    x = 730,956.96

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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.