Home / 653,323.05-899,500.28-557,444.97

Finding the Fourth Proportional to 653,323.05, 899,500.28 and 557,444.97

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Solution

The fourth proportional to 653,323.05, 899,500.28 and 557,444.97 is: 767,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,323.05 : 899,500.28 = 557,444.97 : x
  2. Step 2: Convert to fraction form
    653,323.05/899,500.28 = 557,444.97/x
  3. Step 3: Cross multiply
    653,323.05x = 899,500.28 × 557,444.97
  4. Step 4: Simplify right side
    653,323.05x = 501,421,906,599.59
  5. Step 5: Solve for x
    x = 501,421,906,599.59/653,323.05
  6. Step 6: Final answer
    x = 767,494.59

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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.