Home / 983,406.95-1,357,143.44-547,823.76

Finding the Fourth Proportional to 983,406.95, 1,357,143.44 and 547,823.76

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Solution

The fourth proportional to 983,406.95, 1,357,143.44 and 547,823.76 is: 756,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,406.95 : 1,357,143.44 = 547,823.76 : x
  2. Step 2: Convert to fraction form
    983,406.95/1,357,143.44 = 547,823.76/x
  3. Step 3: Cross multiply
    983,406.95x = 1,357,143.44 × 547,823.76
  4. Step 4: Simplify right side
    983,406.95x = 743,475,419,421.02
  5. Step 5: Solve for x
    x = 743,475,419,421.02/983,406.95
  6. Step 6: Final answer
    x = 756,020.10

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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.