Home / 1,865,478.48-2,797,904.71-517,778.02

Finding the Fourth Proportional to 1,865,478.48, 2,797,904.71 and 517,778.02

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Solution

The fourth proportional to 1,865,478.48, 2,797,904.71 and 517,778.02 is: 776,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,478.48 : 2,797,904.71 = 517,778.02 : x
  2. Step 2: Convert to fraction form
    1,865,478.48/2,797,904.71 = 517,778.02/x
  3. Step 3: Cross multiply
    1,865,478.48x = 2,797,904.71 × 517,778.02
  4. Step 4: Simplify right side
    1,865,478.48x = 1,448,693,560,892.47
  5. Step 5: Solve for x
    x = 1,448,693,560,892.47/1,865,478.48
  6. Step 6: Final answer
    x = 776,580.15

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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.