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Finding the Fourth Proportional to 895,586.05, 1,234,603.11 and 680,352.45

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Solution

The fourth proportional to 895,586.05, 1,234,603.11 and 680,352.45 is: 937,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,586.05 : 1,234,603.11 = 680,352.45 : x
  2. Step 2: Convert to fraction form
    895,586.05/1,234,603.11 = 680,352.45/x
  3. Step 3: Cross multiply
    895,586.05x = 1,234,603.11 × 680,352.45
  4. Step 4: Simplify right side
    895,586.05x = 839,965,250,666.12
  5. Step 5: Solve for x
    x = 839,965,250,666.12/895,586.05
  6. Step 6: Final answer
    x = 937,894.52

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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.