Home / 1,079,459.80-1,619,189.70-1,048,355.80

Finding the Fourth Proportional to 1,079,459.80, 1,619,189.70 and 1,048,355.80

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Solution

The fourth proportional to 1,079,459.80, 1,619,189.70 and 1,048,355.80 is: 1,572,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,459.80 : 1,619,189.70 = 1,048,355.80 : x
  2. Step 2: Convert to fraction form
    1,079,459.80/1,619,189.70 = 1,048,355.80/x
  3. Step 3: Cross multiply
    1,079,459.80x = 1,619,189.70 × 1,048,355.80
  4. Step 4: Simplify right side
    1,079,459.80x = 1,697,486,913,295.26
  5. Step 5: Solve for x
    x = 1,697,486,913,295.26/1,079,459.80
  6. Step 6: Final answer
    x = 1,572,533.70

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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.