Home / 1,088,931.72-1,502,504.46-636,135.24

Finding the Fourth Proportional to 1,088,931.72, 1,502,504.46 and 636,135.24

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Solution

The fourth proportional to 1,088,931.72, 1,502,504.46 and 636,135.24 is: 877,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,931.72 : 1,502,504.46 = 636,135.24 : x
  2. Step 2: Convert to fraction form
    1,088,931.72/1,502,504.46 = 636,135.24/x
  3. Step 3: Cross multiply
    1,088,931.72x = 1,502,504.46 × 636,135.24
  4. Step 4: Simplify right side
    1,088,931.72x = 955,796,035,263.17
  5. Step 5: Solve for x
    x = 955,796,035,263.17/1,088,931.72
  6. Step 6: Final answer
    x = 877,737.34

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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.