Home / 1,498,139.80-2,247,209.70-433,216.60

Finding the Fourth Proportional to 1,498,139.80, 2,247,209.70 and 433,216.60

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Solution

The fourth proportional to 1,498,139.80, 2,247,209.70 and 433,216.60 is: 649,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,139.80 : 2,247,209.70 = 433,216.60 : x
  2. Step 2: Convert to fraction form
    1,498,139.80/2,247,209.70 = 433,216.60/x
  3. Step 3: Cross multiply
    1,498,139.80x = 2,247,209.70 × 433,216.60
  4. Step 4: Simplify right side
    1,498,139.80x = 973,528,545,721.02
  5. Step 5: Solve for x
    x = 973,528,545,721.02/1,498,139.80
  6. Step 6: Final answer
    x = 649,824.90

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1.5x scale

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.