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Finding the Fourth Proportional to 1,295,574.12, 1,787,883.66 and 714,827.16

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Solution

The fourth proportional to 1,295,574.12, 1,787,883.66 and 714,827.16 is: 986,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,574.12 : 1,787,883.66 = 714,827.16 : x
  2. Step 2: Convert to fraction form
    1,295,574.12/1,787,883.66 = 714,827.16/x
  3. Step 3: Cross multiply
    1,295,574.12x = 1,787,883.66 × 714,827.16
  4. Step 4: Simplify right side
    1,295,574.12x = 1,278,027,799,088.21
  5. Step 5: Solve for x
    x = 1,278,027,799,088.21/1,295,574.12
  6. Step 6: Final answer
    x = 986,456.72

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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.