Home / 1,091,822.74-1,506,827.50-656,381.06

Finding the Fourth Proportional to 1,091,822.74, 1,506,827.50 and 656,381.06

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Solution

The fourth proportional to 1,091,822.74, 1,506,827.50 and 656,381.06 is: 905,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,822.74 : 1,506,827.50 = 656,381.06 : x
  2. Step 2: Convert to fraction form
    1,091,822.74/1,506,827.50 = 656,381.06/x
  3. Step 3: Cross multiply
    1,091,822.74x = 1,506,827.50 × 656,381.06
  4. Step 4: Simplify right side
    1,091,822.74x = 989,053,020,871.11
  5. Step 5: Solve for x
    x = 989,053,020,871.11/1,091,822.74
  6. Step 6: Final answer
    x = 905,873.26

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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.