Home / 877,144.47-1,210,459.19-495,171.24

Finding the Fourth Proportional to 877,144.47, 1,210,459.19 and 495,171.24

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Solution

The fourth proportional to 877,144.47, 1,210,459.19 and 495,171.24 is: 683,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,144.47 : 1,210,459.19 = 495,171.24 : x
  2. Step 2: Convert to fraction form
    877,144.47/1,210,459.19 = 495,171.24/x
  3. Step 3: Cross multiply
    877,144.47x = 1,210,459.19 × 495,171.24
  4. Step 4: Simplify right side
    877,144.47x = 599,384,575,605.84
  5. Step 5: Solve for x
    x = 599,384,575,605.84/877,144.47
  6. Step 6: Final answer
    x = 683,336.21

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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.