Home / 758,144.50-1,045,386.48-619,892.08

Finding the Fourth Proportional to 758,144.50, 1,045,386.48 and 619,892.08

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Solution

The fourth proportional to 758,144.50, 1,045,386.48 and 619,892.08 is: 854,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,144.50 : 1,045,386.48 = 619,892.08 : x
  2. Step 2: Convert to fraction form
    758,144.50/1,045,386.48 = 619,892.08/x
  3. Step 3: Cross multiply
    758,144.50x = 1,045,386.48 × 619,892.08
  4. Step 4: Simplify right side
    758,144.50x = 648,026,799,491.08
  5. Step 5: Solve for x
    x = 648,026,799,491.08/758,144.50
  6. Step 6: Final answer
    x = 854,753.68

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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.