Home / 1,091,823.74-1,506,828.88-656,382.06

Finding the Fourth Proportional to 1,091,823.74, 1,506,828.88 and 656,382.06

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Solution

The fourth proportional to 1,091,823.74, 1,506,828.88 and 656,382.06 is: 905,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,823.74 : 1,506,828.88 = 656,382.06 : x
  2. Step 2: Convert to fraction form
    1,091,823.74/1,506,828.88 = 656,382.06/x
  3. Step 3: Cross multiply
    1,091,823.74x = 1,506,828.88 × 656,382.06
  4. Step 4: Simplify right side
    1,091,823.74x = 989,055,444,321.89
  5. Step 5: Solve for x
    x = 989,055,444,321.89/1,091,823.74
  6. Step 6: Final answer
    x = 905,874.65

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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.