Home / 459,634.19-634,121.06-285,123.74

Finding the Fourth Proportional to 459,634.19, 634,121.06 and 285,123.74

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Solution

The fourth proportional to 459,634.19, 634,121.06 and 285,123.74 is: 393,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,634.19 : 634,121.06 = 285,123.74 : x
  2. Step 2: Convert to fraction form
    459,634.19/634,121.06 = 285,123.74/x
  3. Step 3: Cross multiply
    459,634.19x = 634,121.06 × 285,123.74
  4. Step 4: Simplify right side
    459,634.19x = 180,802,963,643.74
  5. Step 5: Solve for x
    x = 180,802,963,643.74/459,634.19
  6. Step 6: Final answer
    x = 393,362.74

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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.