Home / 530,452.53-732,023.76-288,734.36

Finding the Fourth Proportional to 530,452.53, 732,023.76 and 288,734.36

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Solution

The fourth proportional to 530,452.53, 732,023.76 and 288,734.36 is: 398,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,452.53 : 732,023.76 = 288,734.36 : x
  2. Step 2: Convert to fraction form
    530,452.53/732,023.76 = 288,734.36/x
  3. Step 3: Cross multiply
    530,452.53x = 732,023.76 × 288,734.36
  4. Step 4: Simplify right side
    530,452.53x = 211,360,409,271.03
  5. Step 5: Solve for x
    x = 211,360,409,271.03/530,452.53
  6. Step 6: Final answer
    x = 398,453.01

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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.