Home / 986,384.52-1,479,577.02-238,430.44

Finding the Fourth Proportional to 986,384.52, 1,479,577.02 and 238,430.44

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Solution

The fourth proportional to 986,384.52, 1,479,577.02 and 238,430.44 is: 357,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,384.52 : 1,479,577.02 = 238,430.44 : x
  2. Step 2: Convert to fraction form
    986,384.52/1,479,577.02 = 238,430.44/x
  3. Step 3: Cross multiply
    986,384.52x = 1,479,577.02 × 238,430.44
  4. Step 4: Simplify right side
    986,384.52x = 352,776,199,892.49
  5. Step 5: Solve for x
    x = 352,776,199,892.49/986,384.52
  6. Step 6: Final answer
    x = 357,645.72

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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.