Home / 929,886.78-1,282,913.72-607,782.86

Finding the Fourth Proportional to 929,886.78, 1,282,913.72 and 607,782.86

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Solution

The fourth proportional to 929,886.78, 1,282,913.72 and 607,782.86 is: 838,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,886.78 : 1,282,913.72 = 607,782.86 : x
  2. Step 2: Convert to fraction form
    929,886.78/1,282,913.72 = 607,782.86/x
  3. Step 3: Cross multiply
    929,886.78x = 1,282,913.72 × 607,782.86
  4. Step 4: Simplify right side
    929,886.78x = 779,732,969,874.84
  5. Step 5: Solve for x
    x = 779,732,969,874.84/929,886.78
  6. Step 6: Final answer
    x = 838,524.63

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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.