Home / 425,426.02-587,080.36-231,835.46

Finding the Fourth Proportional to 425,426.02, 587,080.36 and 231,835.46

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Solution

The fourth proportional to 425,426.02, 587,080.36 and 231,835.46 is: 319,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,426.02 : 587,080.36 = 231,835.46 : x
  2. Step 2: Convert to fraction form
    425,426.02/587,080.36 = 231,835.46/x
  3. Step 3: Cross multiply
    425,426.02x = 587,080.36 × 231,835.46
  4. Step 4: Simplify right side
    425,426.02x = 136,106,041,802.58
  5. Step 5: Solve for x
    x = 136,106,041,802.58/425,426.02
  6. Step 6: Final answer
    x = 319,928.82

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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.