Home / 1,009,726.08-1,393,426.56-557,016.96

Finding the Fourth Proportional to 1,009,726.08, 1,393,426.56 and 557,016.96

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Solution

The fourth proportional to 1,009,726.08, 1,393,426.56 and 557,016.96 is: 768,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,726.08 : 1,393,426.56 = 557,016.96 : x
  2. Step 2: Convert to fraction form
    1,009,726.08/1,393,426.56 = 557,016.96/x
  3. Step 3: Cross multiply
    1,009,726.08x = 1,393,426.56 × 557,016.96
  4. Step 4: Simplify right side
    1,009,726.08x = 776,162,226,434.46
  5. Step 5: Solve for x
    x = 776,162,226,434.46/1,009,726.08
  6. Step 6: Final answer
    x = 768,685.93

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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.