Home / 1,275,224.34-1,913,131.62-433,776

Finding the Fourth Proportional to 1,275,224.34, 1,913,131.62 and 433,776

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Solution

The fourth proportional to 1,275,224.34, 1,913,131.62 and 433,776 is: 650,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,224.34 : 1,913,131.62 = 433,776 : x
  2. Step 2: Convert to fraction form
    1,275,224.34/1,913,131.62 = 433,776/x
  3. Step 3: Cross multiply
    1,275,224.34x = 1,913,131.62 × 433,776
  4. Step 4: Simplify right side
    1,275,224.34x = 829,870,581,597.12
  5. Step 5: Solve for x
    x = 829,870,581,597.12/1,275,224.34
  6. Step 6: Final answer
    x = 650,764.38

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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.