Home / 1,292,695.16-1,935,397.20-684,105

Finding the Fourth Proportional to 1,292,695.16, 1,935,397.20 and 684,105

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Solution

The fourth proportional to 1,292,695.16, 1,935,397.20 and 684,105 is: 1,024,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,695.16 : 1,935,397.20 = 684,105 : x
  2. Step 2: Convert to fraction form
    1,292,695.16/1,935,397.20 = 684,105/x
  3. Step 3: Cross multiply
    1,292,695.16x = 1,935,397.20 × 684,105
  4. Step 4: Simplify right side
    1,292,695.16x = 1,324,014,901,506
  5. Step 5: Solve for x
    x = 1,324,014,901,506/1,292,695.16
  6. Step 6: Final answer
    x = 1,024,228.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.