Home / 1,400,084.80-1,931,311.84-883,655.16

Finding the Fourth Proportional to 1,400,084.80, 1,931,311.84 and 883,655.16

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Solution

The fourth proportional to 1,400,084.80, 1,931,311.84 and 883,655.16 is: 1,218,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,084.80 : 1,931,311.84 = 883,655.16 : x
  2. Step 2: Convert to fraction form
    1,400,084.80/1,931,311.84 = 883,655.16/x
  3. Step 3: Cross multiply
    1,400,084.80x = 1,931,311.84 × 883,655.16
  4. Step 4: Simplify right side
    1,400,084.80x = 1,706,613,672,985.09
  5. Step 5: Solve for x
    x = 1,706,613,672,985.09/1,400,084.80
  6. Step 6: Final answer
    x = 1,218,935.93

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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.