Home / 939,772.15-1,296,886.85-510,052.29

Finding the Fourth Proportional to 939,772.15, 1,296,886.85 and 510,052.29

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Solution

The fourth proportional to 939,772.15, 1,296,886.85 and 510,052.29 is: 703,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,772.15 : 1,296,886.85 = 510,052.29 : x
  2. Step 2: Convert to fraction form
    939,772.15/1,296,886.85 = 510,052.29/x
  3. Step 3: Cross multiply
    939,772.15x = 1,296,886.85 × 510,052.29
  4. Step 4: Simplify right side
    939,772.15x = 661,480,105,746.30
  5. Step 5: Solve for x
    x = 661,480,105,746.30/939,772.15
  6. Step 6: Final answer
    x = 703,872.85

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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.