Home / 985,596.16-1,477,758.63-386,617.87

Finding the Fourth Proportional to 985,596.16, 1,477,758.63 and 386,617.87

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Solution

The fourth proportional to 985,596.16, 1,477,758.63 and 386,617.87 is: 579,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,596.16 : 1,477,758.63 = 386,617.87 : x
  2. Step 2: Convert to fraction form
    985,596.16/1,477,758.63 = 386,617.87/x
  3. Step 3: Cross multiply
    985,596.16x = 1,477,758.63 × 386,617.87
  4. Step 4: Simplify right side
    985,596.16x = 571,327,893,904.72
  5. Step 5: Solve for x
    x = 571,327,893,904.72/985,596.16
  6. Step 6: Final answer
    x = 579,677.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.