Home / 769,379.81-1,153,038.02-598,807.53

Finding the Fourth Proportional to 769,379.81, 1,153,038.02 and 598,807.53

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Solution

The fourth proportional to 769,379.81, 1,153,038.02 and 598,807.53 is: 897,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,379.81 : 1,153,038.02 = 598,807.53 : x
  2. Step 2: Convert to fraction form
    769,379.81/1,153,038.02 = 598,807.53/x
  3. Step 3: Cross multiply
    769,379.81x = 1,153,038.02 × 598,807.53
  4. Step 4: Simplify right side
    769,379.81x = 690,447,845,758.25
  5. Step 5: Solve for x
    x = 690,447,845,758.25/769,379.81
  6. Step 6: Final answer
    x = 897,408.33

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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.