Home / 533,631.86-736,411.72-291,914.36

Finding the Fourth Proportional to 533,631.86, 736,411.72 and 291,914.36

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Solution

The fourth proportional to 533,631.86, 736,411.72 and 291,914.36 is: 402,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,631.86 : 736,411.72 = 291,914.36 : x
  2. Step 2: Convert to fraction form
    533,631.86/736,411.72 = 291,914.36/x
  3. Step 3: Cross multiply
    533,631.86x = 736,411.72 × 291,914.36
  4. Step 4: Simplify right side
    533,631.86x = 214,969,155,940.30
  5. Step 5: Solve for x
    x = 214,969,155,940.30/533,631.86
  6. Step 6: Final answer
    x = 402,841.68

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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.