Home / 817,241.40-1,127,789.73-454,699.98

Finding the Fourth Proportional to 817,241.40, 1,127,789.73 and 454,699.98

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Solution

The fourth proportional to 817,241.40, 1,127,789.73 and 454,699.98 is: 627,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,241.40 : 1,127,789.73 = 454,699.98 : x
  2. Step 2: Convert to fraction form
    817,241.40/1,127,789.73 = 454,699.98/x
  3. Step 3: Cross multiply
    817,241.40x = 1,127,789.73 × 454,699.98
  4. Step 4: Simplify right side
    817,241.40x = 512,805,967,675.21
  5. Step 5: Solve for x
    x = 512,805,967,675.21/817,241.40
  6. Step 6: Final answer
    x = 627,484.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.