Home / 1,513,434.54-2,270,143.59-648,742.12

Finding the Fourth Proportional to 1,513,434.54, 2,270,143.59 and 648,742.12

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Solution

The fourth proportional to 1,513,434.54, 2,270,143.59 and 648,742.12 is: 973,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,434.54 : 2,270,143.59 = 648,742.12 : x
  2. Step 2: Convert to fraction form
    1,513,434.54/2,270,143.59 = 648,742.12/x
  3. Step 3: Cross multiply
    1,513,434.54x = 2,270,143.59 × 648,742.12
  4. Step 4: Simplify right side
    1,513,434.54x = 1,472,737,765,281.01
  5. Step 5: Solve for x
    x = 1,472,737,765,281.01/1,513,434.54
  6. Step 6: Final answer
    x = 973,109.66

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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.