Home / 758,187.40-1,045,445.58-619,934.98

Finding the Fourth Proportional to 758,187.40, 1,045,445.58 and 619,934.98

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Solution

The fourth proportional to 758,187.40, 1,045,445.58 and 619,934.98 is: 854,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,187.40 : 1,045,445.58 = 619,934.98 : x
  2. Step 2: Convert to fraction form
    758,187.40/1,045,445.58 = 619,934.98/x
  3. Step 3: Cross multiply
    758,187.40x = 1,045,445.58 × 619,934.98
  4. Step 4: Simplify right side
    758,187.40x = 648,108,284,728.39
  5. Step 5: Solve for x
    x = 648,108,284,728.39/758,187.40
  6. Step 6: Final answer
    x = 854,812.79

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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.