Home / 1,535,545.80-2,119,047.36-847,260.60

Finding the Fourth Proportional to 1,535,545.80, 2,119,047.36 and 847,260.60

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Solution

The fourth proportional to 1,535,545.80, 2,119,047.36 and 847,260.60 is: 1,169,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,545.80 : 2,119,047.36 = 847,260.60 : x
  2. Step 2: Convert to fraction form
    1,535,545.80/2,119,047.36 = 847,260.60/x
  3. Step 3: Cross multiply
    1,535,545.80x = 2,119,047.36 × 847,260.60
  4. Step 4: Simplify right side
    1,535,545.80x = 1,795,385,337,662.02
  5. Step 5: Solve for x
    x = 1,795,385,337,662.02/1,535,545.80
  6. Step 6: Final answer
    x = 1,169,216.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.