Home / 613,123.50-919,823.65-186,697.45

Finding the Fourth Proportional to 613,123.50, 919,823.65 and 186,697.45

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Solution

The fourth proportional to 613,123.50, 919,823.65 and 186,697.45 is: 280,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,123.50 : 919,823.65 = 186,697.45 : x
  2. Step 2: Convert to fraction form
    613,123.50/919,823.65 = 186,697.45/x
  3. Step 3: Cross multiply
    613,123.50x = 919,823.65 × 186,697.45
  4. Step 4: Simplify right side
    613,123.50x = 171,728,730,587.73
  5. Step 5: Solve for x
    x = 171,728,730,587.73/613,123.50
  6. Step 6: Final answer
    x = 280,088.32

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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.