Home / 706,246.40-1,057,814.40-612,934.40

Finding the Fourth Proportional to 706,246.40, 1,057,814.40 and 612,934.40

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Solution

The fourth proportional to 706,246.40, 1,057,814.40 and 612,934.40 is: 918,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,246.40 : 1,057,814.40 = 612,934.40 : x
  2. Step 2: Convert to fraction form
    706,246.40/1,057,814.40 = 612,934.40/x
  3. Step 3: Cross multiply
    706,246.40x = 1,057,814.40 × 612,934.40
  4. Step 4: Simplify right side
    706,246.40x = 648,370,834,575.36
  5. Step 5: Solve for x
    x = 648,370,834,575.36/706,246.40
  6. Step 6: Final answer
    x = 918,051.88

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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.