Home / 1,050,781.68-1,576,423.08-340,811.28

Finding the Fourth Proportional to 1,050,781.68, 1,576,423.08 and 340,811.28

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Solution

The fourth proportional to 1,050,781.68, 1,576,423.08 and 340,811.28 is: 511,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,781.68 : 1,576,423.08 = 340,811.28 : x
  2. Step 2: Convert to fraction form
    1,050,781.68/1,576,423.08 = 340,811.28/x
  3. Step 3: Cross multiply
    1,050,781.68x = 1,576,423.08 × 340,811.28
  4. Step 4: Simplify right side
    1,050,781.68x = 537,262,767,716.34
  5. Step 5: Solve for x
    x = 537,262,767,716.34/1,050,781.68
  6. Step 6: Final answer
    x = 511,298.19

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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.