Home / 533,904.78-736,946.19-307,709.58

Finding the Fourth Proportional to 533,904.78, 736,946.19 and 307,709.58

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Solution

The fourth proportional to 533,904.78, 736,946.19 and 307,709.58 is: 424,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,904.78 : 736,946.19 = 307,709.58 : x
  2. Step 2: Convert to fraction form
    533,904.78/736,946.19 = 307,709.58/x
  3. Step 3: Cross multiply
    533,904.78x = 736,946.19 × 307,709.58
  4. Step 4: Simplify right side
    533,904.78x = 226,765,402,607.50
  5. Step 5: Solve for x
    x = 226,765,402,607.50/533,904.78
  6. Step 6: Final answer
    x = 424,730.05

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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.