Home / 417,653.07-576,261.39-254,307.66

Finding the Fourth Proportional to 417,653.07, 576,261.39 and 254,307.66

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Solution

The fourth proportional to 417,653.07, 576,261.39 and 254,307.66 is: 350,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,653.07 : 576,261.39 = 254,307.66 : x
  2. Step 2: Convert to fraction form
    417,653.07/576,261.39 = 254,307.66/x
  3. Step 3: Cross multiply
    417,653.07x = 576,261.39 × 254,307.66
  4. Step 4: Simplify right side
    417,653.07x = 146,547,685,639.25
  5. Step 5: Solve for x
    x = 146,547,685,639.25/417,653.07
  6. Step 6: Final answer
    x = 350,883.77

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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.