Home / 679,084.86-937,117.53-384,707.15

Finding the Fourth Proportional to 679,084.86, 937,117.53 and 384,707.15

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Solution

The fourth proportional to 679,084.86, 937,117.53 and 384,707.15 is: 530,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,084.86 : 937,117.53 = 384,707.15 : x
  2. Step 2: Convert to fraction form
    679,084.86/937,117.53 = 384,707.15/x
  3. Step 3: Cross multiply
    679,084.86x = 937,117.53 × 384,707.15
  4. Step 4: Simplify right side
    679,084.86x = 360,515,814,181.34
  5. Step 5: Solve for x
    x = 360,515,814,181.34/679,084.86
  6. Step 6: Final answer
    x = 530,884.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.