Home / 936,909.02-1,292,938.58-507,189.15

Finding the Fourth Proportional to 936,909.02, 1,292,938.58 and 507,189.15

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Solution

The fourth proportional to 936,909.02, 1,292,938.58 and 507,189.15 is: 699,923.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,909.02 : 1,292,938.58 = 507,189.15 : x
  2. Step 2: Convert to fraction form
    936,909.02/1,292,938.58 = 507,189.15/x
  3. Step 3: Cross multiply
    936,909.02x = 1,292,938.58 × 507,189.15
  4. Step 4: Simplify right side
    936,909.02x = 655,764,412,007.94
  5. Step 5: Solve for x
    x = 655,764,412,007.94/936,909.02
  6. Step 6: Final answer
    x = 699,923.26

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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.