Home / 1,005,621.67-1,508,428.59-406,575.64

Finding the Fourth Proportional to 1,005,621.67, 1,508,428.59 and 406,575.64

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Solution

The fourth proportional to 1,005,621.67, 1,508,428.59 and 406,575.64 is: 609,861.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,621.67 : 1,508,428.59 = 406,575.64 : x
  2. Step 2: Convert to fraction form
    1,005,621.67/1,508,428.59 = 406,575.64/x
  3. Step 3: Cross multiply
    1,005,621.67x = 1,508,428.59 × 406,575.64
  4. Step 4: Simplify right side
    1,005,621.67x = 613,290,319,373.55
  5. Step 5: Solve for x
    x = 613,290,319,373.55/1,005,621.67
  6. Step 6: Final answer
    x = 609,861.88

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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.