Home / 934,783.74-1,401,614.48-428,710.73

Finding the Fourth Proportional to 934,783.74, 1,401,614.48 and 428,710.73

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Solution

The fourth proportional to 934,783.74, 1,401,614.48 and 428,710.73 is: 642,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,783.74 : 1,401,614.48 = 428,710.73 : x
  2. Step 2: Convert to fraction form
    934,783.74/1,401,614.48 = 428,710.73/x
  3. Step 3: Cross multiply
    934,783.74x = 1,401,614.48 × 428,710.73
  4. Step 4: Simplify right side
    934,783.74x = 600,887,160,963.08
  5. Step 5: Solve for x
    x = 600,887,160,963.08/934,783.74
  6. Step 6: Final answer
    x = 642,808.74

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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.