Home / 1,326,868.10-1,989,123.44-517,065.06

Finding the Fourth Proportional to 1,326,868.10, 1,989,123.44 and 517,065.06

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Solution

The fourth proportional to 1,326,868.10, 1,989,123.44 and 517,065.06 is: 775,138.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,868.10 : 1,989,123.44 = 517,065.06 : x
  2. Step 2: Convert to fraction form
    1,326,868.10/1,989,123.44 = 517,065.06/x
  3. Step 3: Cross multiply
    1,326,868.10x = 1,989,123.44 × 517,065.06
  4. Step 4: Simplify right side
    1,326,868.10x = 1,028,506,230,851.01
  5. Step 5: Solve for x
    x = 1,028,506,230,851.01/1,326,868.10
  6. Step 6: Final answer
    x = 775,138.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.