Home / 539,219.20-808,828.80-528,721.60

Finding the Fourth Proportional to 539,219.20, 808,828.80 and 528,721.60

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Solution

The fourth proportional to 539,219.20, 808,828.80 and 528,721.60 is: 793,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,219.20 : 808,828.80 = 528,721.60 : x
  2. Step 2: Convert to fraction form
    539,219.20/808,828.80 = 528,721.60/x
  3. Step 3: Cross multiply
    539,219.20x = 808,828.80 × 528,721.60
  4. Step 4: Simplify right side
    539,219.20x = 427,645,257,262.08
  5. Step 5: Solve for x
    x = 427,645,257,262.08/539,219.20
  6. Step 6: Final answer
    x = 793,082.40

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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.