Home / 770,605.60-1,063,392.96-431,008.24

Finding the Fourth Proportional to 770,605.60, 1,063,392.96 and 431,008.24

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Solution

The fourth proportional to 770,605.60, 1,063,392.96 and 431,008.24 is: 594,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,605.60 : 1,063,392.96 = 431,008.24 : x
  2. Step 2: Convert to fraction form
    770,605.60/1,063,392.96 = 431,008.24/x
  3. Step 3: Cross multiply
    770,605.60x = 1,063,392.96 × 431,008.24
  4. Step 4: Simplify right side
    770,605.60x = 458,331,128,117.99
  5. Step 5: Solve for x
    x = 458,331,128,117.99/770,605.60
  6. Step 6: Final answer
    x = 594,767.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.