Home / 936,882.90-1,405,113.93-430,957.94

Finding the Fourth Proportional to 936,882.90, 1,405,113.93 and 430,957.94

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Solution

The fourth proportional to 936,882.90, 1,405,113.93 and 430,957.94 is: 646,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,882.90 : 1,405,113.93 = 430,957.94 : x
  2. Step 2: Convert to fraction form
    936,882.90/1,405,113.93 = 430,957.94/x
  3. Step 3: Cross multiply
    936,882.90x = 1,405,113.93 × 430,957.94
  4. Step 4: Simplify right side
    936,882.90x = 605,544,997,712.54
  5. Step 5: Solve for x
    x = 605,544,997,712.54/936,882.90
  6. Step 6: Final answer
    x = 646,340.11

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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.