Home / 1,154,853.95-1,593,708.75-638,642.77

Finding the Fourth Proportional to 1,154,853.95, 1,593,708.75 and 638,642.77

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Solution

The fourth proportional to 1,154,853.95, 1,593,708.75 and 638,642.77 is: 881,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,853.95 : 1,593,708.75 = 638,642.77 : x
  2. Step 2: Convert to fraction form
    1,154,853.95/1,593,708.75 = 638,642.77/x
  3. Step 3: Cross multiply
    1,154,853.95x = 1,593,708.75 × 638,642.77
  4. Step 4: Simplify right side
    1,154,853.95x = 1,017,810,569,083.88
  5. Step 5: Solve for x
    x = 1,017,810,569,083.88/1,154,853.95
  6. Step 6: Final answer
    x = 881,332.72

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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.