Home / 530,822.25-732,523.77-289,109.07

Finding the Fourth Proportional to 530,822.25, 732,523.77 and 289,109.07

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Solution

The fourth proportional to 530,822.25, 732,523.77 and 289,109.07 is: 398,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,822.25 : 732,523.77 = 289,109.07 : x
  2. Step 2: Convert to fraction form
    530,822.25/732,523.77 = 289,109.07/x
  3. Step 3: Cross multiply
    530,822.25x = 732,523.77 × 289,109.07
  4. Step 4: Simplify right side
    530,822.25x = 211,779,265,897.59
  5. Step 5: Solve for x
    x = 211,779,265,897.59/530,822.25
  6. Step 6: Final answer
    x = 398,964.56

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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.