Home / 589,014.60-812,818.50-359,955.21

Finding the Fourth Proportional to 589,014.60, 812,818.50 and 359,955.21

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Solution

The fourth proportional to 589,014.60, 812,818.50 and 359,955.21 is: 496,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,014.60 : 812,818.50 = 359,955.21 : x
  2. Step 2: Convert to fraction form
    589,014.60/812,818.50 = 359,955.21/x
  3. Step 3: Cross multiply
    589,014.60x = 812,818.50 × 359,955.21
  4. Step 4: Simplify right side
    589,014.60x = 292,578,253,859.39
  5. Step 5: Solve for x
    x = 292,578,253,859.39/589,014.60
  6. Step 6: Final answer
    x = 496,724.96

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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.