Home / 897,926.28-1,239,397.38-530,743.56

Finding the Fourth Proportional to 897,926.28, 1,239,397.38 and 530,743.56

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Solution

The fourth proportional to 897,926.28, 1,239,397.38 and 530,743.56 is: 732,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,926.28 : 1,239,397.38 = 530,743.56 : x
  2. Step 2: Convert to fraction form
    897,926.28/1,239,397.38 = 530,743.56/x
  3. Step 3: Cross multiply
    897,926.28x = 1,239,397.38 × 530,743.56
  4. Step 4: Simplify right side
    897,926.28x = 657,802,177,715.87
  5. Step 5: Solve for x
    x = 657,802,177,715.87/897,926.28
  6. Step 6: Final answer
    x = 732,579.27

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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.