Home / 818,531.20-1,230,421.20-583,501.60

Finding the Fourth Proportional to 818,531.20, 1,230,421.20 and 583,501.60

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Solution

The fourth proportional to 818,531.20, 1,230,421.20 and 583,501.60 is: 877,123.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,531.20 : 1,230,421.20 = 583,501.60 : x
  2. Step 2: Convert to fraction form
    818,531.20/1,230,421.20 = 583,501.60/x
  3. Step 3: Cross multiply
    818,531.20x = 1,230,421.20 × 583,501.60
  4. Step 4: Simplify right side
    818,531.20x = 717,952,738,873.92
  5. Step 5: Solve for x
    x = 717,952,738,873.92/818,531.20
  6. Step 6: Final answer
    x = 877,123.24

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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.