Home / 1,370,073.81-2,055,567.12-459,346.39

Finding the Fourth Proportional to 1,370,073.81, 2,055,567.12 and 459,346.39

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Solution

The fourth proportional to 1,370,073.81, 2,055,567.12 and 459,346.39 is: 689,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,073.81 : 2,055,567.12 = 459,346.39 : x
  2. Step 2: Convert to fraction form
    1,370,073.81/2,055,567.12 = 459,346.39/x
  3. Step 3: Cross multiply
    1,370,073.81x = 2,055,567.12 × 459,346.39
  4. Step 4: Simplify right side
    1,370,073.81x = 944,217,333,677.97
  5. Step 5: Solve for x
    x = 944,217,333,677.97/1,370,073.81
  6. Step 6: Final answer
    x = 689,172.61

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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.