Home / 722,136.48-996,582.63-435,650.46

Finding the Fourth Proportional to 722,136.48, 996,582.63 and 435,650.46

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Solution

The fourth proportional to 722,136.48, 996,582.63 and 435,650.46 is: 601,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,136.48 : 996,582.63 = 435,650.46 : x
  2. Step 2: Convert to fraction form
    722,136.48/996,582.63 = 435,650.46/x
  3. Step 3: Cross multiply
    722,136.48x = 996,582.63 × 435,650.46
  4. Step 4: Simplify right side
    722,136.48x = 434,161,681,187.51
  5. Step 5: Solve for x
    x = 434,161,681,187.51/722,136.48
  6. Step 6: Final answer
    x = 601,218.32

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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.