Home / 539,440.47-808,484.09-286,095.65

Finding the Fourth Proportional to 539,440.47, 808,484.09 and 286,095.65

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Solution

The fourth proportional to 539,440.47, 808,484.09 and 286,095.65 is: 428,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,440.47 : 808,484.09 = 286,095.65 : x
  2. Step 2: Convert to fraction form
    539,440.47/808,484.09 = 286,095.65/x
  3. Step 3: Cross multiply
    539,440.47x = 808,484.09 × 286,095.65
  4. Step 4: Simplify right side
    539,440.47x = 231,303,782,906.80
  5. Step 5: Solve for x
    x = 231,303,782,906.80/539,440.47
  6. Step 6: Final answer
    x = 428,784.63

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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.