Home / 806,985.60-1,208,728.80-523,550.40

Finding the Fourth Proportional to 806,985.60, 1,208,728.80 and 523,550.40

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Solution

The fourth proportional to 806,985.60, 1,208,728.80 and 523,550.40 is: 784,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,985.60 : 1,208,728.80 = 523,550.40 : x
  2. Step 2: Convert to fraction form
    806,985.60/1,208,728.80 = 523,550.40/x
  3. Step 3: Cross multiply
    806,985.60x = 1,208,728.80 × 523,550.40
  4. Step 4: Simplify right side
    806,985.60x = 632,830,446,731.52
  5. Step 5: Solve for x
    x = 632,830,446,731.52/806,985.60
  6. Step 6: Final answer
    x = 784,190.51

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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.