Home / 697,703.60-1,046,555.40-656,231.60

Finding the Fourth Proportional to 697,703.60, 1,046,555.40 and 656,231.60

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Solution

The fourth proportional to 697,703.60, 1,046,555.40 and 656,231.60 is: 984,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,703.60 : 1,046,555.40 = 656,231.60 : x
  2. Step 2: Convert to fraction form
    697,703.60/1,046,555.40 = 656,231.60/x
  3. Step 3: Cross multiply
    697,703.60x = 1,046,555.40 × 656,231.60
  4. Step 4: Simplify right side
    697,703.60x = 686,782,724,630.64
  5. Step 5: Solve for x
    x = 686,782,724,630.64/697,703.60
  6. Step 6: Final answer
    x = 984,347.40

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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.