Home / 993,840.32-1,371,516.24-564,133.64

Finding the Fourth Proportional to 993,840.32, 1,371,516.24 and 564,133.64

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Solution

The fourth proportional to 993,840.32, 1,371,516.24 and 564,133.64 is: 778,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,840.32 : 1,371,516.24 = 564,133.64 : x
  2. Step 2: Convert to fraction form
    993,840.32/1,371,516.24 = 564,133.64/x
  3. Step 3: Cross multiply
    993,840.32x = 1,371,516.24 × 564,133.64
  4. Step 4: Simplify right side
    993,840.32x = 773,718,448,790.31
  5. Step 5: Solve for x
    x = 773,718,448,790.31/993,840.32
  6. Step 6: Final answer
    x = 778,513.84

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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.