Home / 1,456,715.73-2,011,537.04-913,784.78

Finding the Fourth Proportional to 1,456,715.73, 2,011,537.04 and 913,784.78

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Solution

The fourth proportional to 1,456,715.73, 2,011,537.04 and 913,784.78 is: 1,261,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,715.73 : 2,011,537.04 = 913,784.78 : x
  2. Step 2: Convert to fraction form
    1,456,715.73/2,011,537.04 = 913,784.78/x
  3. Step 3: Cross multiply
    1,456,715.73x = 2,011,537.04 × 913,784.78
  4. Step 4: Simplify right side
    1,456,715.73x = 1,838,111,916,931.64
  5. Step 5: Solve for x
    x = 1,838,111,916,931.64/1,456,715.73
  6. Step 6: Final answer
    x = 1,261,819.23

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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.