Home / 648,335.17-893,631.71-433,396.81

Finding the Fourth Proportional to 648,335.17, 893,631.71 and 433,396.81

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Solution

The fourth proportional to 648,335.17, 893,631.71 and 433,396.81 is: 597,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,335.17 : 893,631.71 = 433,396.81 : x
  2. Step 2: Convert to fraction form
    648,335.17/893,631.71 = 433,396.81/x
  3. Step 3: Cross multiply
    648,335.17x = 893,631.71 × 433,396.81
  4. Step 4: Simplify right side
    648,335.17x = 387,297,125,793.70
  5. Step 5: Solve for x
    x = 387,297,125,793.70/648,335.17
  6. Step 6: Final answer
    x = 597,371.77

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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.