Home / 805,066.40-1,110,972.98-437,534.90

Finding the Fourth Proportional to 805,066.40, 1,110,972.98 and 437,534.90

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Solution

The fourth proportional to 805,066.40, 1,110,972.98 and 437,534.90 is: 603,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,066.40 : 1,110,972.98 = 437,534.90 : x
  2. Step 2: Convert to fraction form
    805,066.40/1,110,972.98 = 437,534.90/x
  3. Step 3: Cross multiply
    805,066.40x = 1,110,972.98 × 437,534.90
  4. Step 4: Simplify right side
    805,066.40x = 486,089,443,964.46
  5. Step 5: Solve for x
    x = 486,089,443,964.46/805,066.40
  6. Step 6: Final answer
    x = 603,788.02

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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.