Home / 653,567.36-979,931.45-253,782.14

Finding the Fourth Proportional to 653,567.36, 979,931.45 and 253,782.14

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Solution

The fourth proportional to 653,567.36, 979,931.45 and 253,782.14 is: 380,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,567.36 : 979,931.45 = 253,782.14 : x
  2. Step 2: Convert to fraction form
    653,567.36/979,931.45 = 253,782.14/x
  3. Step 3: Cross multiply
    653,567.36x = 979,931.45 × 253,782.14
  4. Step 4: Simplify right side
    653,567.36x = 248,689,096,169.10
  5. Step 5: Solve for x
    x = 248,689,096,169.10/653,567.36
  6. Step 6: Final answer
    x = 380,510.28

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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.