Home / 1,186,321.04-1,637,866.72-913,875.92

Finding the Fourth Proportional to 1,186,321.04, 1,637,866.72 and 913,875.92

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Solution

The fourth proportional to 1,186,321.04, 1,637,866.72 and 913,875.92 is: 1,261,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,321.04 : 1,637,866.72 = 913,875.92 : x
  2. Step 2: Convert to fraction form
    1,186,321.04/1,637,866.72 = 913,875.92/x
  3. Step 3: Cross multiply
    1,186,321.04x = 1,637,866.72 × 913,875.92
  4. Step 4: Simplify right side
    1,186,321.04x = 1,496,806,955,577.38
  5. Step 5: Solve for x
    x = 1,496,806,955,577.38/1,186,321.04
  6. Step 6: Final answer
    x = 1,261,721.66

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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.