Home / 868,812.60-1,303,607.70-395,254.20

Finding the Fourth Proportional to 868,812.60, 1,303,607.70 and 395,254.20

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Solution

The fourth proportional to 868,812.60, 1,303,607.70 and 395,254.20 is: 593,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,812.60 : 1,303,607.70 = 395,254.20 : x
  2. Step 2: Convert to fraction form
    868,812.60/1,303,607.70 = 395,254.20/x
  3. Step 3: Cross multiply
    868,812.60x = 1,303,607.70 × 395,254.20
  4. Step 4: Simplify right side
    868,812.60x = 515,256,418,577.34
  5. Step 5: Solve for x
    x = 515,256,418,577.34/868,812.60
  6. Step 6: Final answer
    x = 593,058.18

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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.