Home / 373,841.04-515,831.61-212,686.68

Finding the Fourth Proportional to 373,841.04, 515,831.61 and 212,686.68

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Solution

The fourth proportional to 373,841.04, 515,831.61 and 212,686.68 is: 293,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,841.04 : 515,831.61 = 212,686.68 : x
  2. Step 2: Convert to fraction form
    373,841.04/515,831.61 = 212,686.68/x
  3. Step 3: Cross multiply
    373,841.04x = 515,831.61 × 212,686.68
  4. Step 4: Simplify right side
    373,841.04x = 109,710,509,990.80
  5. Step 5: Solve for x
    x = 109,710,509,990.80/373,841.04
  6. Step 6: Final answer
    x = 293,468.35

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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.