Home / 418,983.10-578,209.73-237,702.67

Finding the Fourth Proportional to 418,983.10, 578,209.73 and 237,702.67

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Solution

The fourth proportional to 418,983.10, 578,209.73 and 237,702.67 is: 328,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,983.10 : 578,209.73 = 237,702.67 : x
  2. Step 2: Convert to fraction form
    418,983.10/578,209.73 = 237,702.67/x
  3. Step 3: Cross multiply
    418,983.10x = 578,209.73 × 237,702.67
  4. Step 4: Simplify right side
    418,983.10x = 137,441,994,006.94
  5. Step 5: Solve for x
    x = 137,441,994,006.94/418,983.10
  6. Step 6: Final answer
    x = 328,037.09

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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.