Home / 877,910.76-1,211,615.19-495,962.13

Finding the Fourth Proportional to 877,910.76, 1,211,615.19 and 495,962.13

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Solution

The fourth proportional to 877,910.76, 1,211,615.19 and 495,962.13 is: 684,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,910.76 : 1,211,615.19 = 495,962.13 : x
  2. Step 2: Convert to fraction form
    877,910.76/1,211,615.19 = 495,962.13/x
  3. Step 3: Cross multiply
    877,910.76x = 1,211,615.19 × 495,962.13
  4. Step 4: Simplify right side
    877,910.76x = 600,915,250,372.76
  5. Step 5: Solve for x
    x = 600,915,250,372.76/877,910.76
  6. Step 6: Final answer
    x = 684,483.30

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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.