Home / 885,693.40-1,327,632.90-435,722.20

Finding the Fourth Proportional to 885,693.40, 1,327,632.90 and 435,722.20

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Solution

The fourth proportional to 885,693.40, 1,327,632.90 and 435,722.20 is: 653,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,693.40 : 1,327,632.90 = 435,722.20 : x
  2. Step 2: Convert to fraction form
    885,693.40/1,327,632.90 = 435,722.20/x
  3. Step 3: Cross multiply
    885,693.40x = 1,327,632.90 × 435,722.20
  4. Step 4: Simplify right side
    885,693.40x = 578,479,127,980.38
  5. Step 5: Solve for x
    x = 578,479,127,980.38/885,693.40
  6. Step 6: Final answer
    x = 653,137.00

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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.