Home / 939,957.58-1,297,143.10-510,238.00

Finding the Fourth Proportional to 939,957.58, 1,297,143.10 and 510,238.00

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Solution

The fourth proportional to 939,957.58, 1,297,143.10 and 510,238.00 is: 704,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,957.58 : 1,297,143.10 = 510,238.00 : x
  2. Step 2: Convert to fraction form
    939,957.58/1,297,143.10 = 510,238.00/x
  3. Step 3: Cross multiply
    939,957.58x = 1,297,143.10 × 510,238.00
  4. Step 4: Simplify right side
    939,957.58x = 661,851,698,452.74
  5. Step 5: Solve for x
    x = 661,851,698,452.74/939,957.58
  6. Step 6: Final answer
    x = 704,129.33

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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.