Home / 880,698.72-1,217,585.40-650,893.59

Finding the Fourth Proportional to 880,698.72, 1,217,585.40 and 650,893.59

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Solution

The fourth proportional to 880,698.72, 1,217,585.40 and 650,893.59 is: 899,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,698.72 : 1,217,585.40 = 650,893.59 : x
  2. Step 2: Convert to fraction form
    880,698.72/1,217,585.40 = 650,893.59/x
  3. Step 3: Cross multiply
    880,698.72x = 1,217,585.40 × 650,893.59
  4. Step 4: Simplify right side
    880,698.72x = 792,518,532,137.59
  5. Step 5: Solve for x
    x = 792,518,532,137.59/880,698.72
  6. Step 6: Final answer
    x = 899,874.74

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Double scale
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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.