Home / 530,743.84-732,435.26-289,031.13

Finding the Fourth Proportional to 530,743.84, 732,435.26 and 289,031.13

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Solution

The fourth proportional to 530,743.84, 732,435.26 and 289,031.13 is: 398,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,743.84 : 732,435.26 = 289,031.13 : x
  2. Step 2: Convert to fraction form
    530,743.84/732,435.26 = 289,031.13/x
  3. Step 3: Cross multiply
    530,743.84x = 732,435.26 × 289,031.13
  4. Step 4: Simplify right side
    530,743.84x = 211,696,589,404.49
  5. Step 5: Solve for x
    x = 211,696,589,404.49/530,743.84
  6. Step 6: Final answer
    x = 398,867.73

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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.