Home / 923,005.08-1,273,810.90-515,186.28

Finding the Fourth Proportional to 923,005.08, 1,273,810.90 and 515,186.28

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Solution

The fourth proportional to 923,005.08, 1,273,810.90 and 515,186.28 is: 710,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,005.08 : 1,273,810.90 = 515,186.28 : x
  2. Step 2: Convert to fraction form
    923,005.08/1,273,810.90 = 515,186.28/x
  3. Step 3: Cross multiply
    923,005.08x = 1,273,810.90 × 515,186.28
  4. Step 4: Simplify right side
    923,005.08x = 656,249,898,994.45
  5. Step 5: Solve for x
    x = 656,249,898,994.45/923,005.08
  6. Step 6: Final answer
    x = 710,992.73

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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.