Home / 714,851.60-1,072,484.94-288,167.22

Finding the Fourth Proportional to 714,851.60, 1,072,484.94 and 288,167.22

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Solution

The fourth proportional to 714,851.60, 1,072,484.94 and 288,167.22 is: 432,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,851.60 : 1,072,484.94 = 288,167.22 : x
  2. Step 2: Convert to fraction form
    714,851.60/1,072,484.94 = 288,167.22/x
  3. Step 3: Cross multiply
    714,851.60x = 1,072,484.94 × 288,167.22
  4. Step 4: Simplify right side
    714,851.60x = 309,055,003,651.67
  5. Step 5: Solve for x
    x = 309,055,003,651.67/714,851.60
  6. Step 6: Final answer
    x = 432,334.49

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Double scale
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Similar ratio
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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.