Home / 1,036,128.76-1,554,280.60-288,174.76

Finding the Fourth Proportional to 1,036,128.76, 1,554,280.60 and 288,174.76

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Solution

The fourth proportional to 1,036,128.76, 1,554,280.60 and 288,174.76 is: 432,286.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,128.76 : 1,554,280.60 = 288,174.76 : x
  2. Step 2: Convert to fraction form
    1,036,128.76/1,554,280.60 = 288,174.76/x
  3. Step 3: Cross multiply
    1,036,128.76x = 1,554,280.60 × 288,174.76
  4. Step 4: Simplify right side
    1,036,128.76x = 447,904,438,877.66
  5. Step 5: Solve for x
    x = 447,904,438,877.66/1,036,128.76
  6. Step 6: Final answer
    x = 432,286.46

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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.