Home / 923,888.81-1,385,836.44-284,188.21

Finding the Fourth Proportional to 923,888.81, 1,385,836.44 and 284,188.21

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Solution

The fourth proportional to 923,888.81, 1,385,836.44 and 284,188.21 is: 426,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,888.81 : 1,385,836.44 = 284,188.21 : x
  2. Step 2: Convert to fraction form
    923,888.81/1,385,836.44 = 284,188.21/x
  3. Step 3: Cross multiply
    923,888.81x = 1,385,836.44 × 284,188.21
  4. Step 4: Simplify right side
    923,888.81x = 393,838,368,886.25
  5. Step 5: Solve for x
    x = 393,838,368,886.25/923,888.81
  6. Step 6: Final answer
    x = 426,283.30

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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.