Home / 1,036,643.80-1,555,656.90-475,389.40

Finding the Fourth Proportional to 1,036,643.80, 1,555,656.90 and 475,389.40

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Solution

The fourth proportional to 1,036,643.80, 1,555,656.90 and 475,389.40 is: 713,401.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,643.80 : 1,555,656.90 = 475,389.40 : x
  2. Step 2: Convert to fraction form
    1,036,643.80/1,555,656.90 = 475,389.40/x
  3. Step 3: Cross multiply
    1,036,643.80x = 1,555,656.90 × 475,389.40
  4. Step 4: Simplify right side
    1,036,643.80x = 739,542,800,296.86
  5. Step 5: Solve for x
    x = 739,542,800,296.86/1,036,643.80
  6. Step 6: Final answer
    x = 713,401.07

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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.