Home / 692,510.88-1,038,688.56-193,913.76

Finding the Fourth Proportional to 692,510.88, 1,038,688.56 and 193,913.76

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Solution

The fourth proportional to 692,510.88, 1,038,688.56 and 193,913.76 is: 290,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,510.88 : 1,038,688.56 = 193,913.76 : x
  2. Step 2: Convert to fraction form
    692,510.88/1,038,688.56 = 193,913.76/x
  3. Step 3: Cross multiply
    692,510.88x = 1,038,688.56 × 193,913.76
  4. Step 4: Simplify right side
    692,510.88x = 201,416,004,138.59
  5. Step 5: Solve for x
    x = 201,416,004,138.59/692,510.88
  6. Step 6: Final answer
    x = 290,848.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.