Home / 1,517,931.01-2,276,561.17-438,208.93

Finding the Fourth Proportional to 1,517,931.01, 2,276,561.17 and 438,208.93

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Solution

The fourth proportional to 1,517,931.01, 2,276,561.17 and 438,208.93 is: 657,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,931.01 : 2,276,561.17 = 438,208.93 : x
  2. Step 2: Convert to fraction form
    1,517,931.01/2,276,561.17 = 438,208.93/x
  3. Step 3: Cross multiply
    1,517,931.01x = 2,276,561.17 × 438,208.93
  4. Step 4: Simplify right side
    1,517,931.01x = 997,609,434,385.25
  5. Step 5: Solve for x
    x = 997,609,434,385.25/1,517,931.01
  6. Step 6: Final answer
    x = 657,216.58

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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.