Home / 1,712,811-2,569,117.68-514,707.60

Finding the Fourth Proportional to 1,712,811, 2,569,117.68 and 514,707.60

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Solution

The fourth proportional to 1,712,811, 2,569,117.68 and 514,707.60 is: 772,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,811 : 2,569,117.68 = 514,707.60 : x
  2. Step 2: Convert to fraction form
    1,712,811/2,569,117.68 = 514,707.60/x
  3. Step 3: Cross multiply
    1,712,811x = 2,569,117.68 × 514,707.60
  4. Step 4: Simplify right side
    1,712,811x = 1,322,344,395,190.37
  5. Step 5: Solve for x
    x = 1,322,344,395,190.37/1,712,811
  6. Step 6: Final answer
    x = 772,031.70

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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.