Home / 623,863.20-931,281.90-548,195.40

Finding the Fourth Proportional to 623,863.20, 931,281.90 and 548,195.40

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Solution

The fourth proportional to 623,863.20, 931,281.90 and 548,195.40 is: 818,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,863.20 : 931,281.90 = 548,195.40 : x
  2. Step 2: Convert to fraction form
    623,863.20/931,281.90 = 548,195.40/x
  3. Step 3: Cross multiply
    623,863.20x = 931,281.90 × 548,195.40
  4. Step 4: Simplify right side
    623,863.20x = 510,524,453,683.26
  5. Step 5: Solve for x
    x = 510,524,453,683.26/623,863.20
  6. Step 6: Final answer
    x = 818,327.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.