Home / 1,154,990.83-1,593,897.95-638,718.04

Finding the Fourth Proportional to 1,154,990.83, 1,593,897.95 and 638,718.04

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Solution

The fourth proportional to 1,154,990.83, 1,593,897.95 and 638,718.04 is: 881,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,990.83 : 1,593,897.95 = 638,718.04 : x
  2. Step 2: Convert to fraction form
    1,154,990.83/1,593,897.95 = 638,718.04/x
  3. Step 3: Cross multiply
    1,154,990.83x = 1,593,897.95 × 638,718.04
  4. Step 4: Simplify right side
    1,154,990.83x = 1,018,051,367,405.68
  5. Step 5: Solve for x
    x = 1,018,051,367,405.68/1,154,990.83
  6. Step 6: Final answer
    x = 881,436.76

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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.