Home / 1,005,503.16-1,507,934.22-331,458.84

Finding the Fourth Proportional to 1,005,503.16, 1,507,934.22 and 331,458.84

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Solution

The fourth proportional to 1,005,503.16, 1,507,934.22 and 331,458.84 is: 497,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,503.16 : 1,507,934.22 = 331,458.84 : x
  2. Step 2: Convert to fraction form
    1,005,503.16/1,507,934.22 = 331,458.84/x
  3. Step 3: Cross multiply
    1,005,503.16x = 1,507,934.22 × 331,458.84
  4. Step 4: Simplify right side
    1,005,503.16x = 499,818,127,357.51
  5. Step 5: Solve for x
    x = 499,818,127,357.51/1,005,503.16
  6. Step 6: Final answer
    x = 497,082.60

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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.