Home / 1,139,561.92-1,709,345.80-465,643.24

Finding the Fourth Proportional to 1,139,561.92, 1,709,345.80 and 465,643.24

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Solution

The fourth proportional to 1,139,561.92, 1,709,345.80 and 465,643.24 is: 698,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,561.92 : 1,709,345.80 = 465,643.24 : x
  2. Step 2: Convert to fraction form
    1,139,561.92/1,709,345.80 = 465,643.24/x
  3. Step 3: Cross multiply
    1,139,561.92x = 1,709,345.80 × 465,643.24
  4. Step 4: Simplify right side
    1,139,561.92x = 795,945,316,592.39
  5. Step 5: Solve for x
    x = 795,945,316,592.39/1,139,561.92
  6. Step 6: Final answer
    x = 698,466.05

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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.