Home / 683,312.80-1,024,969.20-435,095.20

Finding the Fourth Proportional to 683,312.80, 1,024,969.20 and 435,095.20

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Solution

The fourth proportional to 683,312.80, 1,024,969.20 and 435,095.20 is: 652,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,312.80 : 1,024,969.20 = 435,095.20 : x
  2. Step 2: Convert to fraction form
    683,312.80/1,024,969.20 = 435,095.20/x
  3. Step 3: Cross multiply
    683,312.80x = 1,024,969.20 × 435,095.20
  4. Step 4: Simplify right side
    683,312.80x = 445,959,179,067.84
  5. Step 5: Solve for x
    x = 445,959,179,067.84/683,312.80
  6. Step 6: Final answer
    x = 652,642.80

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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.