Home / 916,475.19-1,265,292.14-712,140.14

Finding the Fourth Proportional to 916,475.19, 1,265,292.14 and 712,140.14

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Solution

The fourth proportional to 916,475.19, 1,265,292.14 and 712,140.14 is: 983,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,475.19 : 1,265,292.14 = 712,140.14 : x
  2. Step 2: Convert to fraction form
    916,475.19/1,265,292.14 = 712,140.14/x
  3. Step 3: Cross multiply
    916,475.19x = 1,265,292.14 × 712,140.14
  4. Step 4: Simplify right side
    916,475.19x = 901,065,311,833.34
  5. Step 5: Solve for x
    x = 901,065,311,833.34/916,475.19
  6. Step 6: Final answer
    x = 983,185.71

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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.