Home / 1,256,322.15-1,734,032.51-712,776.11

Finding the Fourth Proportional to 1,256,322.15, 1,734,032.51 and 712,776.11

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Solution

The fourth proportional to 1,256,322.15, 1,734,032.51 and 712,776.11 is: 983,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,322.15 : 1,734,032.51 = 712,776.11 : x
  2. Step 2: Convert to fraction form
    1,256,322.15/1,734,032.51 = 712,776.11/x
  3. Step 3: Cross multiply
    1,256,322.15x = 1,734,032.51 × 712,776.11
  4. Step 4: Simplify right side
    1,256,322.15x = 1,235,976,934,857.29
  5. Step 5: Solve for x
    x = 1,235,976,934,857.29/1,256,322.15
  6. Step 6: Final answer
    x = 983,805.73

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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.