Home / 697,231.20-1,045,846.80-608,657.70

Finding the Fourth Proportional to 697,231.20, 1,045,846.80 and 608,657.70

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Solution

The fourth proportional to 697,231.20, 1,045,846.80 and 608,657.70 is: 912,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,231.20 : 1,045,846.80 = 608,657.70 : x
  2. Step 2: Convert to fraction form
    697,231.20/1,045,846.80 = 608,657.70/x
  3. Step 3: Cross multiply
    697,231.20x = 1,045,846.80 × 608,657.70
  4. Step 4: Simplify right side
    697,231.20x = 636,562,707,840.36
  5. Step 5: Solve for x
    x = 636,562,707,840.36/697,231.20
  6. Step 6: Final answer
    x = 912,986.55

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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.