Home / 961,714.58-1,443,025.47-429,188.18

Finding the Fourth Proportional to 961,714.58, 1,443,025.47 and 429,188.18

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Solution

The fourth proportional to 961,714.58, 1,443,025.47 and 429,188.18 is: 643,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,714.58 : 1,443,025.47 = 429,188.18 : x
  2. Step 2: Convert to fraction form
    961,714.58/1,443,025.47 = 429,188.18/x
  3. Step 3: Cross multiply
    961,714.58x = 1,443,025.47 × 429,188.18
  4. Step 4: Simplify right side
    961,714.58x = 619,329,475,162.95
  5. Step 5: Solve for x
    x = 619,329,475,162.95/961,714.58
  6. Step 6: Final answer
    x = 643,984.70

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1.5x scale

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.