Home / 944,859.72-1,303,888.86-515,143.56

Finding the Fourth Proportional to 944,859.72, 1,303,888.86 and 515,143.56

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Solution

The fourth proportional to 944,859.72, 1,303,888.86 and 515,143.56 is: 710,888.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,859.72 : 1,303,888.86 = 515,143.56 : x
  2. Step 2: Convert to fraction form
    944,859.72/1,303,888.86 = 515,143.56/x
  3. Step 3: Cross multiply
    944,859.72x = 1,303,888.86 × 515,143.56
  4. Step 4: Simplify right side
    944,859.72x = 671,689,949,184.74
  5. Step 5: Solve for x
    x = 671,689,949,184.74/944,859.72
  6. Step 6: Final answer
    x = 710,888.54

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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.