Home / 1,161,837.40-1,742,756.10-413,907.80

Finding the Fourth Proportional to 1,161,837.40, 1,742,756.10 and 413,907.80

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Solution

The fourth proportional to 1,161,837.40, 1,742,756.10 and 413,907.80 is: 620,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,837.40 : 1,742,756.10 = 413,907.80 : x
  2. Step 2: Convert to fraction form
    1,161,837.40/1,742,756.10 = 413,907.80/x
  3. Step 3: Cross multiply
    1,161,837.40x = 1,742,756.10 × 413,907.80
  4. Step 4: Simplify right side
    1,161,837.40x = 721,340,343,287.58
  5. Step 5: Solve for x
    x = 721,340,343,287.58/1,161,837.40
  6. Step 6: Final answer
    x = 620,861.70

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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.