Home / 699,225.96-968,586.36-685,054.20

Finding the Fourth Proportional to 699,225.96, 968,586.36 and 685,054.20

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Solution

The fourth proportional to 699,225.96, 968,586.36 and 685,054.20 is: 948,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,225.96 : 968,586.36 = 685,054.20 : x
  2. Step 2: Convert to fraction form
    699,225.96/968,586.36 = 685,054.20/x
  3. Step 3: Cross multiply
    699,225.96x = 968,586.36 × 685,054.20
  4. Step 4: Simplify right side
    699,225.96x = 663,534,153,980.71
  5. Step 5: Solve for x
    x = 663,534,153,980.71/699,225.96
  6. Step 6: Final answer
    x = 948,955.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.