Home / 879,615.59-1,214,000.06-557,355.87

Finding the Fourth Proportional to 879,615.59, 1,214,000.06 and 557,355.87

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Solution

The fourth proportional to 879,615.59, 1,214,000.06 and 557,355.87 is: 769,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,615.59 : 1,214,000.06 = 557,355.87 : x
  2. Step 2: Convert to fraction form
    879,615.59/1,214,000.06 = 557,355.87/x
  3. Step 3: Cross multiply
    879,615.59x = 1,214,000.06 × 557,355.87
  4. Step 4: Simplify right side
    879,615.59x = 676,630,056,834.57
  5. Step 5: Solve for x
    x = 676,630,056,834.57/879,615.59
  6. Step 6: Final answer
    x = 769,233.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.