Home / 705,411.77-973,475.37-383,128.16

Finding the Fourth Proportional to 705,411.77, 973,475.37 and 383,128.16

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Solution

The fourth proportional to 705,411.77, 973,475.37 and 383,128.16 is: 528,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,411.77 : 973,475.37 = 383,128.16 : x
  2. Step 2: Convert to fraction form
    705,411.77/973,475.37 = 383,128.16/x
  3. Step 3: Cross multiply
    705,411.77x = 973,475.37 × 383,128.16
  4. Step 4: Simplify right side
    705,411.77x = 372,965,827,313.42
  5. Step 5: Solve for x
    x = 372,965,827,313.42/705,411.77
  6. Step 6: Final answer
    x = 528,720.73

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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.