Home / 936,823.78-1,292,816.46-507,107.44

Finding the Fourth Proportional to 936,823.78, 1,292,816.46 and 507,107.44

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Solution

The fourth proportional to 936,823.78, 1,292,816.46 and 507,107.44 is: 699,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,823.78 : 1,292,816.46 = 507,107.44 : x
  2. Step 2: Convert to fraction form
    936,823.78/1,292,816.46 = 507,107.44/x
  3. Step 3: Cross multiply
    936,823.78x = 1,292,816.46 × 507,107.44
  4. Step 4: Simplify right side
    936,823.78x = 655,596,845,420.46
  5. Step 5: Solve for x
    x = 655,596,845,420.46/936,823.78
  6. Step 6: Final answer
    x = 699,808.07

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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.