Home / 868,258.76-1,301,692.63-412,621.34

Finding the Fourth Proportional to 868,258.76, 1,301,692.63 and 412,621.34

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Solution

The fourth proportional to 868,258.76, 1,301,692.63 and 412,621.34 is: 618,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,258.76 : 1,301,692.63 = 412,621.34 : x
  2. Step 2: Convert to fraction form
    868,258.76/1,301,692.63 = 412,621.34/x
  3. Step 3: Cross multiply
    868,258.76x = 1,301,692.63 × 412,621.34
  4. Step 4: Simplify right side
    868,258.76x = 537,106,149,718.71
  5. Step 5: Solve for x
    x = 537,106,149,718.71/868,258.76
  6. Step 6: Final answer
    x = 618,601.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.