Home / 930,602.32-1,396,000.58-256,683.74

Finding the Fourth Proportional to 930,602.32, 1,396,000.58 and 256,683.74

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Solution

The fourth proportional to 930,602.32, 1,396,000.58 and 256,683.74 is: 385,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,602.32 : 1,396,000.58 = 256,683.74 : x
  2. Step 2: Convert to fraction form
    930,602.32/1,396,000.58 = 256,683.74/x
  3. Step 3: Cross multiply
    930,602.32x = 1,396,000.58 × 256,683.74
  4. Step 4: Simplify right side
    930,602.32x = 358,330,641,653.15
  5. Step 5: Solve for x
    x = 358,330,641,653.15/930,602.32
  6. Step 6: Final answer
    x = 385,052.38

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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.