Home / 875,346.95-1,207,954.72-488,174.14

Finding the Fourth Proportional to 875,346.95, 1,207,954.72 and 488,174.14

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Solution

The fourth proportional to 875,346.95, 1,207,954.72 and 488,174.14 is: 673,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,346.95 : 1,207,954.72 = 488,174.14 : x
  2. Step 2: Convert to fraction form
    875,346.95/1,207,954.72 = 488,174.14/x
  3. Step 3: Cross multiply
    875,346.95x = 1,207,954.72 × 488,174.14
  4. Step 4: Simplify right side
    875,346.95x = 589,692,258,715.10
  5. Step 5: Solve for x
    x = 589,692,258,715.10/875,346.95
  6. Step 6: Final answer
    x = 673,666.89

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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.