Home / 696,864.78-962,085.65-438,962.82

Finding the Fourth Proportional to 696,864.78, 962,085.65 and 438,962.82

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Solution

The fourth proportional to 696,864.78, 962,085.65 and 438,962.82 is: 606,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,864.78 : 962,085.65 = 438,962.82 : x
  2. Step 2: Convert to fraction form
    696,864.78/962,085.65 = 438,962.82/x
  3. Step 3: Cross multiply
    696,864.78x = 962,085.65 × 438,962.82
  4. Step 4: Simplify right side
    696,864.78x = 422,319,827,810.72
  5. Step 5: Solve for x
    x = 422,319,827,810.72/696,864.78
  6. Step 6: Final answer
    x = 606,028.37

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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.