Home / 514,819.32-710,490.06-323,996.28

Finding the Fourth Proportional to 514,819.32, 710,490.06 and 323,996.28

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Solution

The fourth proportional to 514,819.32, 710,490.06 and 323,996.28 is: 447,139.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,819.32 : 710,490.06 = 323,996.28 : x
  2. Step 2: Convert to fraction form
    514,819.32/710,490.06 = 323,996.28/x
  3. Step 3: Cross multiply
    514,819.32x = 710,490.06 × 323,996.28
  4. Step 4: Simplify right side
    514,819.32x = 230,196,136,416.98
  5. Step 5: Solve for x
    x = 230,196,136,416.98/514,819.32
  6. Step 6: Final answer
    x = 447,139.66

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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.