Home / 930,603.32-1,396,002.08-256,684.74

Finding the Fourth Proportional to 930,603.32, 1,396,002.08 and 256,684.74

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Solution

The fourth proportional to 930,603.32, 1,396,002.08 and 256,684.74 is: 385,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,603.32 : 1,396,002.08 = 256,684.74 : x
  2. Step 2: Convert to fraction form
    930,603.32/1,396,002.08 = 256,684.74/x
  3. Step 3: Cross multiply
    930,603.32x = 1,396,002.08 × 256,684.74
  4. Step 4: Simplify right side
    930,603.32x = 358,332,430,944.26
  5. Step 5: Solve for x
    x = 358,332,430,944.26/930,603.32
  6. Step 6: Final answer
    x = 385,053.89

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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.