Home / 936,151.68-1,291,885.44-506,430.80

Finding the Fourth Proportional to 936,151.68, 1,291,885.44 and 506,430.80

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Solution

The fourth proportional to 936,151.68, 1,291,885.44 and 506,430.80 is: 698,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,151.68 : 1,291,885.44 = 506,430.80 : x
  2. Step 2: Convert to fraction form
    936,151.68/1,291,885.44 = 506,430.80/x
  3. Step 3: Cross multiply
    936,151.68x = 1,291,885.44 × 506,430.80
  4. Step 4: Simplify right side
    936,151.68x = 654,250,576,887.55
  5. Step 5: Solve for x
    x = 654,250,576,887.55/936,151.68
  6. Step 6: Final answer
    x = 698,872.41

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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.