Home / 832,456.51-1,148,789.99-450,483.30

Finding the Fourth Proportional to 832,456.51, 1,148,789.99 and 450,483.30

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Solution

The fourth proportional to 832,456.51, 1,148,789.99 and 450,483.30 is: 621,666.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,456.51 : 1,148,789.99 = 450,483.30 : x
  2. Step 2: Convert to fraction form
    832,456.51/1,148,789.99 = 450,483.30/x
  3. Step 3: Cross multiply
    832,456.51x = 1,148,789.99 × 450,483.30
  4. Step 4: Simplify right side
    832,456.51x = 517,510,705,702.17
  5. Step 5: Solve for x
    x = 517,510,705,702.17/832,456.51
  6. Step 6: Final answer
    x = 621,666.96

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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.