Home / 914,853.56-1,262,498.01-512,445.56

Finding the Fourth Proportional to 914,853.56, 1,262,498.01 and 512,445.56

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Solution

The fourth proportional to 914,853.56, 1,262,498.01 and 512,445.56 is: 707,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,853.56 : 1,262,498.01 = 512,445.56 : x
  2. Step 2: Convert to fraction form
    914,853.56/1,262,498.01 = 512,445.56/x
  3. Step 3: Cross multiply
    914,853.56x = 1,262,498.01 × 512,445.56
  4. Step 4: Simplify right side
    914,853.56x = 646,961,499,733.34
  5. Step 5: Solve for x
    x = 646,961,499,733.34/914,853.56
  6. Step 6: Final answer
    x = 707,174.93

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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.