Home / 982,437.12-1,473,655.72-351,312.64

Finding the Fourth Proportional to 982,437.12, 1,473,655.72 and 351,312.64

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Solution

The fourth proportional to 982,437.12, 1,473,655.72 and 351,312.64 is: 526,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,437.12 : 1,473,655.72 = 351,312.64 : x
  2. Step 2: Convert to fraction form
    982,437.12/1,473,655.72 = 351,312.64/x
  3. Step 3: Cross multiply
    982,437.12x = 1,473,655.72 × 351,312.64
  4. Step 4: Simplify right side
    982,437.12x = 517,713,881,444.30
  5. Step 5: Solve for x
    x = 517,713,881,444.30/982,437.12
  6. Step 6: Final answer
    x = 526,968.97

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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.