Home / 742,146.84-1,024,076.16-415,477.56

Finding the Fourth Proportional to 742,146.84, 1,024,076.16 and 415,477.56

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Solution

The fourth proportional to 742,146.84, 1,024,076.16 and 415,477.56 is: 573,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,146.84 : 1,024,076.16 = 415,477.56 : x
  2. Step 2: Convert to fraction form
    742,146.84/1,024,076.16 = 415,477.56/x
  3. Step 3: Cross multiply
    742,146.84x = 1,024,076.16 × 415,477.56
  4. Step 4: Simplify right side
    742,146.84x = 425,480,664,210.97
  5. Step 5: Solve for x
    x = 425,480,664,210.97/742,146.84
  6. Step 6: Final answer
    x = 573,310.62

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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.