Home / 697,117.70-1,045,676.55-223,850.90

Finding the Fourth Proportional to 697,117.70, 1,045,676.55 and 223,850.90

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Solution

The fourth proportional to 697,117.70, 1,045,676.55 and 223,850.90 is: 335,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,117.70 : 1,045,676.55 = 223,850.90 : x
  2. Step 2: Convert to fraction form
    697,117.70/1,045,676.55 = 223,850.90/x
  3. Step 3: Cross multiply
    697,117.70x = 1,045,676.55 × 223,850.90
  4. Step 4: Simplify right side
    697,117.70x = 234,075,636,826.40
  5. Step 5: Solve for x
    x = 234,075,636,826.40/697,117.70
  6. Step 6: Final answer
    x = 335,776.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.