Home / 840,708.81-1,160,168.54-458,741.97

Finding the Fourth Proportional to 840,708.81, 1,160,168.54 and 458,741.97

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Solution

The fourth proportional to 840,708.81, 1,160,168.54 and 458,741.97 is: 633,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,708.81 : 1,160,168.54 = 458,741.97 : x
  2. Step 2: Convert to fraction form
    840,708.81/1,160,168.54 = 458,741.97/x
  3. Step 3: Cross multiply
    840,708.81x = 1,160,168.54 × 458,741.97
  4. Step 4: Simplify right side
    840,708.81x = 532,217,999,277.91
  5. Step 5: Solve for x
    x = 532,217,999,277.91/840,708.81
  6. Step 6: Final answer
    x = 633,058.67

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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.