Home / 539,440.20-808,483.69-286,095.39

Finding the Fourth Proportional to 539,440.20, 808,483.69 and 286,095.39

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Solution

The fourth proportional to 539,440.20, 808,483.69 and 286,095.39 is: 428,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,440.20 : 808,483.69 = 286,095.39 : x
  2. Step 2: Convert to fraction form
    539,440.20/808,483.69 = 286,095.39/x
  3. Step 3: Cross multiply
    539,440.20x = 808,483.69 × 286,095.39
  4. Step 4: Simplify right side
    539,440.20x = 231,303,452,199.15
  5. Step 5: Solve for x
    x = 231,303,452,199.15/539,440.20
  6. Step 6: Final answer
    x = 428,784.23

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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.