Home / 1,157,894.46-1,737,009.12-438,040.98

Finding the Fourth Proportional to 1,157,894.46, 1,737,009.12 and 438,040.98

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Solution

The fourth proportional to 1,157,894.46, 1,737,009.12 and 438,040.98 is: 657,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,894.46 : 1,737,009.12 = 438,040.98 : x
  2. Step 2: Convert to fraction form
    1,157,894.46/1,737,009.12 = 438,040.98/x
  3. Step 3: Cross multiply
    1,157,894.46x = 1,737,009.12 × 438,040.98
  4. Step 4: Simplify right side
    1,157,894.46x = 760,881,177,193.74
  5. Step 5: Solve for x
    x = 760,881,177,193.74/1,157,894.46
  6. Step 6: Final answer
    x = 657,124.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.