Home / 776,656.18-1,165,117.11-355,968.10

Finding the Fourth Proportional to 776,656.18, 1,165,117.11 and 355,968.10

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Solution

The fourth proportional to 776,656.18, 1,165,117.11 and 355,968.10 is: 534,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,656.18 : 1,165,117.11 = 355,968.10 : x
  2. Step 2: Convert to fraction form
    776,656.18/1,165,117.11 = 355,968.10/x
  3. Step 3: Cross multiply
    776,656.18x = 1,165,117.11 × 355,968.10
  4. Step 4: Simplify right side
    776,656.18x = 414,744,523,924.19
  5. Step 5: Solve for x
    x = 414,744,523,924.19/776,656.18
  6. Step 6: Final answer
    x = 534,013.04

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1.5x scale

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.