Home / 384,623.10-530,477.24-358,840.13

Finding the Fourth Proportional to 384,623.10, 530,477.24 and 358,840.13

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Solution

The fourth proportional to 384,623.10, 530,477.24 and 358,840.13 is: 494,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,623.10 : 530,477.24 = 358,840.13 : x
  2. Step 2: Convert to fraction form
    384,623.10/530,477.24 = 358,840.13/x
  3. Step 3: Cross multiply
    384,623.10x = 530,477.24 × 358,840.13
  4. Step 4: Simplify right side
    384,623.10x = 190,356,517,317.05
  5. Step 5: Solve for x
    x = 190,356,517,317.05/384,623.10
  6. Step 6: Final answer
    x = 494,917.02

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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.