Home / 876,934.01-1,315,437.62-277,881.90

Finding the Fourth Proportional to 876,934.01, 1,315,437.62 and 277,881.90

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Solution

The fourth proportional to 876,934.01, 1,315,437.62 and 277,881.90 is: 416,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,934.01 : 1,315,437.62 = 277,881.90 : x
  2. Step 2: Convert to fraction form
    876,934.01/1,315,437.62 = 277,881.90/x
  3. Step 3: Cross multiply
    876,934.01x = 1,315,437.62 × 277,881.90
  4. Step 4: Simplify right side
    876,934.01x = 365,536,303,787.67
  5. Step 5: Solve for x
    x = 365,536,303,787.67/876,934.01
  6. Step 6: Final answer
    x = 416,834.45

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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.