Home / 1,400,071.77-1,931,293.94-883,642.14

Finding the Fourth Proportional to 1,400,071.77, 1,931,293.94 and 883,642.14

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Solution

The fourth proportional to 1,400,071.77, 1,931,293.94 and 883,642.14 is: 1,218,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,071.77 : 1,931,293.94 = 883,642.14 : x
  2. Step 2: Convert to fraction form
    1,400,071.77/1,931,293.94 = 883,642.14/x
  3. Step 3: Cross multiply
    1,400,071.77x = 1,931,293.94 × 883,642.14
  4. Step 4: Simplify right side
    1,400,071.77x = 1,706,572,705,692.42
  5. Step 5: Solve for x
    x = 1,706,572,705,692.42/1,400,071.77
  6. Step 6: Final answer
    x = 1,218,918.02

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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.