Home / 530,769.55-732,466.70-289,053.22

Finding the Fourth Proportional to 530,769.55, 732,466.70 and 289,053.22

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Solution

The fourth proportional to 530,769.55, 732,466.70 and 289,053.22 is: 398,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,769.55 : 732,466.70 = 289,053.22 : x
  2. Step 2: Convert to fraction form
    530,769.55/732,466.70 = 289,053.22/x
  3. Step 3: Cross multiply
    530,769.55x = 732,466.70 × 289,053.22
  4. Step 4: Simplify right side
    530,769.55x = 211,721,858,177.77
  5. Step 5: Solve for x
    x = 211,721,858,177.77/530,769.55
  6. Step 6: Final answer
    x = 398,896.01

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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.