Home / 1,158,679.80-1,738,019.70-528,823.80

Finding the Fourth Proportional to 1,158,679.80, 1,738,019.70 and 528,823.80

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Solution

The fourth proportional to 1,158,679.80, 1,738,019.70 and 528,823.80 is: 793,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,679.80 : 1,738,019.70 = 528,823.80 : x
  2. Step 2: Convert to fraction form
    1,158,679.80/1,738,019.70 = 528,823.80/x
  3. Step 3: Cross multiply
    1,158,679.80x = 1,738,019.70 × 528,823.80
  4. Step 4: Simplify right side
    1,158,679.80x = 919,106,182,228.86
  5. Step 5: Solve for x
    x = 919,106,182,228.86/1,158,679.80
  6. Step 6: Final answer
    x = 793,235.70

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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.