Home / 661,943.81-910,615.96-579,902.62

Finding the Fourth Proportional to 661,943.81, 910,615.96 and 579,902.62

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Solution

The fourth proportional to 661,943.81, 910,615.96 and 579,902.62 is: 797,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,943.81 : 910,615.96 = 579,902.62 : x
  2. Step 2: Convert to fraction form
    661,943.81/910,615.96 = 579,902.62/x
  3. Step 3: Cross multiply
    661,943.81x = 910,615.96 × 579,902.62
  4. Step 4: Simplify right side
    661,943.81x = 528,068,581,017.82
  5. Step 5: Solve for x
    x = 528,068,581,017.82/661,943.81
  6. Step 6: Final answer
    x = 797,754.39

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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.