Home / 923,783.38-1,274,468.61-561,070.42

Finding the Fourth Proportional to 923,783.38, 1,274,468.61 and 561,070.42

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Solution

The fourth proportional to 923,783.38, 1,274,468.61 and 561,070.42 is: 774,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,783.38 : 1,274,468.61 = 561,070.42 : x
  2. Step 2: Convert to fraction form
    923,783.38/1,274,468.61 = 561,070.42/x
  3. Step 3: Cross multiply
    923,783.38x = 1,274,468.61 × 561,070.42
  4. Step 4: Simplify right side
    923,783.38x = 715,066,638,289.52
  5. Step 5: Solve for x
    x = 715,066,638,289.52/923,783.38
  6. Step 6: Final answer
    x = 774,063.11

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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.