Home / 1,386,256.05-2,078,494.05-577,200.90

Finding the Fourth Proportional to 1,386,256.05, 2,078,494.05 and 577,200.90

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Solution

The fourth proportional to 1,386,256.05, 2,078,494.05 and 577,200.90 is: 865,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,256.05 : 2,078,494.05 = 577,200.90 : x
  2. Step 2: Convert to fraction form
    1,386,256.05/2,078,494.05 = 577,200.90/x
  3. Step 3: Cross multiply
    1,386,256.05x = 2,078,494.05 × 577,200.90
  4. Step 4: Simplify right side
    1,386,256.05x = 1,199,708,636,304.65
  5. Step 5: Solve for x
    x = 1,199,708,636,304.65/1,386,256.05
  6. Step 6: Final answer
    x = 865,430.77

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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.