Home / 414,307.08-571,787.64-253,256.40

Finding the Fourth Proportional to 414,307.08, 571,787.64 and 253,256.40

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Solution

The fourth proportional to 414,307.08, 571,787.64 and 253,256.40 is: 349,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,307.08 : 571,787.64 = 253,256.40 : x
  2. Step 2: Convert to fraction form
    414,307.08/571,787.64 = 253,256.40/x
  3. Step 3: Cross multiply
    414,307.08x = 571,787.64 × 253,256.40
  4. Step 4: Simplify right side
    414,307.08x = 144,808,879,270.90
  5. Step 5: Solve for x
    x = 144,808,879,270.90/414,307.08
  6. Step 6: Final answer
    x = 349,520.65

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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.