Home / 762,615.92-1,053,802.35-555,523.76

Finding the Fourth Proportional to 762,615.92, 1,053,802.35 and 555,523.76

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Solution

The fourth proportional to 762,615.92, 1,053,802.35 and 555,523.76 is: 767,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,615.92 : 1,053,802.35 = 555,523.76 : x
  2. Step 2: Convert to fraction form
    762,615.92/1,053,802.35 = 555,523.76/x
  3. Step 3: Cross multiply
    762,615.92x = 1,053,802.35 × 555,523.76
  4. Step 4: Simplify right side
    762,615.92x = 585,412,238,499.82
  5. Step 5: Solve for x
    x = 585,412,238,499.82/762,615.92
  6. Step 6: Final answer
    x = 767,637.06

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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.