Home / 931,089.36-1,396,606.38-257,211.18

Finding the Fourth Proportional to 931,089.36, 1,396,606.38 and 257,211.18

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Solution

The fourth proportional to 931,089.36, 1,396,606.38 and 257,211.18 is: 385,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,089.36 : 1,396,606.38 = 257,211.18 : x
  2. Step 2: Convert to fraction form
    931,089.36/1,396,606.38 = 257,211.18/x
  3. Step 3: Cross multiply
    931,089.36x = 1,396,606.38 × 257,211.18
  4. Step 4: Simplify right side
    931,089.36x = 359,222,774,995.33
  5. Step 5: Solve for x
    x = 359,222,774,995.33/931,089.36
  6. Step 6: Final answer
    x = 385,809.13

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Double scale
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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.