Home / 533,621.89-736,404.06-291,904.47

Finding the Fourth Proportional to 533,621.89, 736,404.06 and 291,904.47

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Solution

The fourth proportional to 533,621.89, 736,404.06 and 291,904.47 is: 402,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,621.89 : 736,404.06 = 291,904.47 : x
  2. Step 2: Convert to fraction form
    533,621.89/736,404.06 = 291,904.47/x
  3. Step 3: Cross multiply
    533,621.89x = 736,404.06 × 291,904.47
  4. Step 4: Simplify right side
    533,621.89x = 214,959,636,840.15
  5. Step 5: Solve for x
    x = 214,959,636,840.15/533,621.89
  6. Step 6: Final answer
    x = 402,831.37

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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.