Home / 930,867.36-1,396,381.14-256,948.76

Finding the Fourth Proportional to 930,867.36, 1,396,381.14 and 256,948.76

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Solution

The fourth proportional to 930,867.36, 1,396,381.14 and 256,948.76 is: 385,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,867.36 : 1,396,381.14 = 256,948.76 : x
  2. Step 2: Convert to fraction form
    930,867.36/1,396,381.14 = 256,948.76/x
  3. Step 3: Cross multiply
    930,867.36x = 1,396,381.14 × 256,948.76
  4. Step 4: Simplify right side
    930,867.36x = 358,798,402,410.39
  5. Step 5: Solve for x
    x = 358,798,402,410.39/930,867.36
  6. Step 6: Final answer
    x = 385,445.25

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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.