Home / 623,787.23-860,831.54-344,393.42

Finding the Fourth Proportional to 623,787.23, 860,831.54 and 344,393.42

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Solution

The fourth proportional to 623,787.23, 860,831.54 and 344,393.42 is: 475,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,787.23 : 860,831.54 = 344,393.42 : x
  2. Step 2: Convert to fraction form
    623,787.23/860,831.54 = 344,393.42/x
  3. Step 3: Cross multiply
    623,787.23x = 860,831.54 × 344,393.42
  4. Step 4: Simplify right side
    623,787.23x = 296,464,712,078.34
  5. Step 5: Solve for x
    x = 296,464,712,078.34/623,787.23
  6. Step 6: Final answer
    x = 475,265.76

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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.