Home / 860,001.92-1,186,816.72-472,833.68

Finding the Fourth Proportional to 860,001.92, 1,186,816.72 and 472,833.68

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Solution

The fourth proportional to 860,001.92, 1,186,816.72 and 472,833.68 is: 652,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,001.92 : 1,186,816.72 = 472,833.68 : x
  2. Step 2: Convert to fraction form
    860,001.92/1,186,816.72 = 472,833.68/x
  3. Step 3: Cross multiply
    860,001.92x = 1,186,816.72 × 472,833.68
  4. Step 4: Simplify right side
    860,001.92x = 561,166,917,203.13
  5. Step 5: Solve for x
    x = 561,166,917,203.13/860,001.92
  6. Step 6: Final answer
    x = 652,518.21

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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.