Home / 942,406.88-1,300,423.07-534,378.29

Finding the Fourth Proportional to 942,406.88, 1,300,423.07 and 534,378.29

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Solution

The fourth proportional to 942,406.88, 1,300,423.07 and 534,378.29 is: 737,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,406.88 : 1,300,423.07 = 534,378.29 : x
  2. Step 2: Convert to fraction form
    942,406.88/1,300,423.07 = 534,378.29/x
  3. Step 3: Cross multiply
    942,406.88x = 1,300,423.07 × 534,378.29
  4. Step 4: Simplify right side
    942,406.88x = 694,917,851,256.98
  5. Step 5: Solve for x
    x = 694,917,851,256.98/942,406.88
  6. Step 6: Final answer
    x = 737,386.23

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Double scale
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1.5x scale

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.