Home / 761,195.10-1,050,440.36-412,328.94

Finding the Fourth Proportional to 761,195.10, 1,050,440.36 and 412,328.94

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Solution

The fourth proportional to 761,195.10, 1,050,440.36 and 412,328.94 is: 569,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,195.10 : 1,050,440.36 = 412,328.94 : x
  2. Step 2: Convert to fraction form
    761,195.10/1,050,440.36 = 412,328.94/x
  3. Step 3: Cross multiply
    761,195.10x = 1,050,440.36 × 412,328.94
  4. Step 4: Simplify right side
    761,195.10x = 433,126,960,172.02
  5. Step 5: Solve for x
    x = 433,126,960,172.02/761,195.10
  6. Step 6: Final answer
    x = 569,009.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.