Home / 570,811.68-856,265.04-191,714.40

Finding the Fourth Proportional to 570,811.68, 856,265.04 and 191,714.40

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Solution

The fourth proportional to 570,811.68, 856,265.04 and 191,714.40 is: 287,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,811.68 : 856,265.04 = 191,714.40 : x
  2. Step 2: Convert to fraction form
    570,811.68/856,265.04 = 191,714.40/x
  3. Step 3: Cross multiply
    570,811.68x = 856,265.04 × 191,714.40
  4. Step 4: Simplify right side
    570,811.68x = 164,158,338,384.58
  5. Step 5: Solve for x
    x = 164,158,338,384.58/570,811.68
  6. Step 6: Final answer
    x = 287,587.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.