Home / 914,608.40-1,262,057.45-506,609.01

Finding the Fourth Proportional to 914,608.40, 1,262,057.45 and 506,609.01

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Solution

The fourth proportional to 914,608.40, 1,262,057.45 and 506,609.01 is: 699,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,608.40 : 1,262,057.45 = 506,609.01 : x
  2. Step 2: Convert to fraction form
    914,608.40/1,262,057.45 = 506,609.01/x
  3. Step 3: Cross multiply
    914,608.40x = 1,262,057.45 × 506,609.01
  4. Step 4: Simplify right side
    914,608.40x = 639,369,672,774.58
  5. Step 5: Solve for x
    x = 639,369,672,774.58/914,608.40
  6. Step 6: Final answer
    x = 699,063.86

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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.