Home / 514,742.06-710,384.28-331,144.58

Finding the Fourth Proportional to 514,742.06, 710,384.28 and 331,144.58

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Solution

The fourth proportional to 514,742.06, 710,384.28 and 331,144.58 is: 457,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,742.06 : 710,384.28 = 331,144.58 : x
  2. Step 2: Convert to fraction form
    514,742.06/710,384.28 = 331,144.58/x
  3. Step 3: Cross multiply
    514,742.06x = 710,384.28 × 331,144.58
  4. Step 4: Simplify right side
    514,742.06x = 235,239,904,039.20
  5. Step 5: Solve for x
    x = 235,239,904,039.20/514,742.06
  6. Step 6: Final answer
    x = 457,005.41

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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.