Home / 1,291,506.30-1,937,259.45-934,847.10

Finding the Fourth Proportional to 1,291,506.30, 1,937,259.45 and 934,847.10

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Solution

The fourth proportional to 1,291,506.30, 1,937,259.45 and 934,847.10 is: 1,402,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,506.30 : 1,937,259.45 = 934,847.10 : x
  2. Step 2: Convert to fraction form
    1,291,506.30/1,937,259.45 = 934,847.10/x
  3. Step 3: Cross multiply
    1,291,506.30x = 1,937,259.45 × 934,847.10
  4. Step 4: Simplify right side
    1,291,506.30x = 1,811,041,378,780.10
  5. Step 5: Solve for x
    x = 1,811,041,378,780.10/1,291,506.30
  6. Step 6: Final answer
    x = 1,402,270.65

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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.