Home / 1,143,510.51-1,714,988.34-385,156.11

Finding the Fourth Proportional to 1,143,510.51, 1,714,988.34 and 385,156.11

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Solution

The fourth proportional to 1,143,510.51, 1,714,988.34 and 385,156.11 is: 577,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,510.51 : 1,714,988.34 = 385,156.11 : x
  2. Step 2: Convert to fraction form
    1,143,510.51/1,714,988.34 = 385,156.11/x
  3. Step 3: Cross multiply
    1,143,510.51x = 1,714,988.34 × 385,156.11
  4. Step 4: Simplify right side
    1,143,510.51x = 660,538,237,729.76
  5. Step 5: Solve for x
    x = 660,538,237,729.76/1,143,510.51
  6. Step 6: Final answer
    x = 577,640.72

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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.