Home / 755,040.15-1,041,955.56-415,508.40

Finding the Fourth Proportional to 755,040.15, 1,041,955.56 and 415,508.40

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Solution

The fourth proportional to 755,040.15, 1,041,955.56 and 415,508.40 is: 573,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,040.15 : 1,041,955.56 = 415,508.40 : x
  2. Step 2: Convert to fraction form
    755,040.15/1,041,955.56 = 415,508.40/x
  3. Step 3: Cross multiply
    755,040.15x = 1,041,955.56 × 415,508.40
  4. Step 4: Simplify right side
    755,040.15x = 432,941,285,529.16
  5. Step 5: Solve for x
    x = 432,941,285,529.16/755,040.15
  6. Step 6: Final answer
    x = 573,401.67

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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.