Home / 1,254,421.83-1,872,153.02-1,133,353.15

Finding the Fourth Proportional to 1,254,421.83, 1,872,153.02 and 1,133,353.15

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Solution

The fourth proportional to 1,254,421.83, 1,872,153.02 and 1,133,353.15 is: 1,691,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,421.83 : 1,872,153.02 = 1,133,353.15 : x
  2. Step 2: Convert to fraction form
    1,254,421.83/1,872,153.02 = 1,133,353.15/x
  3. Step 3: Cross multiply
    1,254,421.83x = 1,872,153.02 × 1,133,353.15
  4. Step 4: Simplify right side
    1,254,421.83x = 2,121,810,522,499.01
  5. Step 5: Solve for x
    x = 2,121,810,522,499.01/1,254,421.83
  6. Step 6: Final answer
    x = 1,691,464.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.