Home / 530,979.57-732,748.95-289,261.58

Finding the Fourth Proportional to 530,979.57, 732,748.95 and 289,261.58

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Solution

The fourth proportional to 530,979.57, 732,748.95 and 289,261.58 is: 399,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,979.57 : 732,748.95 = 289,261.58 : x
  2. Step 2: Convert to fraction form
    530,979.57/732,748.95 = 289,261.58/x
  3. Step 3: Cross multiply
    530,979.57x = 732,748.95 × 289,261.58
  4. Step 4: Simplify right side
    530,979.57x = 211,956,115,356.60
  5. Step 5: Solve for x
    x = 211,956,115,356.60/530,979.57
  6. Step 6: Final answer
    x = 399,179.42

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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.