Home / 1,116,870.68-1,674,973.18-406,732.64

Finding the Fourth Proportional to 1,116,870.68, 1,674,973.18 and 406,732.64

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Solution

The fourth proportional to 1,116,870.68, 1,674,973.18 and 406,732.64 is: 609,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,870.68 : 1,674,973.18 = 406,732.64 : x
  2. Step 2: Convert to fraction form
    1,116,870.68/1,674,973.18 = 406,732.64/x
  3. Step 3: Cross multiply
    1,116,870.68x = 1,674,973.18 × 406,732.64
  4. Step 4: Simplify right side
    1,116,870.68x = 681,266,264,985.87
  5. Step 5: Solve for x
    x = 681,266,264,985.87/1,116,870.68
  6. Step 6: Final answer
    x = 609,977.75

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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.