Home / 1,565,972.95-2,161,127.33-877,865.82

Finding the Fourth Proportional to 1,565,972.95, 2,161,127.33 and 877,865.82

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Solution

The fourth proportional to 1,565,972.95, 2,161,127.33 and 877,865.82 is: 1,211,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,972.95 : 2,161,127.33 = 877,865.82 : x
  2. Step 2: Convert to fraction form
    1,565,972.95/2,161,127.33 = 877,865.82/x
  3. Step 3: Cross multiply
    1,565,972.95x = 2,161,127.33 × 877,865.82
  4. Step 4: Simplify right side
    1,565,972.95x = 1,897,179,829,645.81
  5. Step 5: Solve for x
    x = 1,897,179,829,645.81/1,565,972.95
  6. Step 6: Final answer
    x = 1,211,502.30

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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.