Home / 1,216,187.80-1,824,281.70-542,267.80

Finding the Fourth Proportional to 1,216,187.80, 1,824,281.70 and 542,267.80

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Solution

The fourth proportional to 1,216,187.80, 1,824,281.70 and 542,267.80 is: 813,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,187.80 : 1,824,281.70 = 542,267.80 : x
  2. Step 2: Convert to fraction form
    1,216,187.80/1,824,281.70 = 542,267.80/x
  3. Step 3: Cross multiply
    1,216,187.80x = 1,824,281.70 × 542,267.80
  4. Step 4: Simplify right side
    1,216,187.80x = 989,249,224,039.26
  5. Step 5: Solve for x
    x = 989,249,224,039.26/1,216,187.80
  6. Step 6: Final answer
    x = 813,401.70

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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.