Home / 942,729.63-1,300,994.28-513,037.47

Finding the Fourth Proportional to 942,729.63, 1,300,994.28 and 513,037.47

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Solution

The fourth proportional to 942,729.63, 1,300,994.28 and 513,037.47 is: 708,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,729.63 : 1,300,994.28 = 513,037.47 : x
  2. Step 2: Convert to fraction form
    942,729.63/1,300,994.28 = 513,037.47/x
  3. Step 3: Cross multiply
    942,729.63x = 1,300,994.28 × 513,037.47
  4. Step 4: Simplify right side
    942,729.63x = 667,458,813,895.67
  5. Step 5: Solve for x
    x = 667,458,813,895.67/942,729.63
  6. Step 6: Final answer
    x = 708,006.61

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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.