Home / 916,660.01-1,264,971.78-508,737.93

Finding the Fourth Proportional to 916,660.01, 1,264,971.78 and 508,737.93

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Solution

The fourth proportional to 916,660.01, 1,264,971.78 and 508,737.93 is: 702,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,660.01 : 1,264,971.78 = 508,737.93 : x
  2. Step 2: Convert to fraction form
    916,660.01/1,264,971.78 = 508,737.93/x
  3. Step 3: Cross multiply
    916,660.01x = 1,264,971.78 × 508,737.93
  4. Step 4: Simplify right side
    916,660.01x = 643,539,124,865.62
  5. Step 5: Solve for x
    x = 643,539,124,865.62/916,660.01
  6. Step 6: Final answer
    x = 702,047.78

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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.