Home / 1,513,436.03-2,270,145.84-648,743.61

Finding the Fourth Proportional to 1,513,436.03, 2,270,145.84 and 648,743.61

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Solution

The fourth proportional to 1,513,436.03, 2,270,145.84 and 648,743.61 is: 973,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,436.03 : 2,270,145.84 = 648,743.61 : x
  2. Step 2: Convert to fraction form
    1,513,436.03/2,270,145.84 = 648,743.61/x
  3. Step 3: Cross multiply
    1,513,436.03x = 2,270,145.84 × 648,743.61
  4. Step 4: Simplify right side
    1,513,436.03x = 1,472,742,607,468.08
  5. Step 5: Solve for x
    x = 1,472,742,607,468.08/1,513,436.03
  6. Step 6: Final answer
    x = 973,111.90

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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.