Home / 705,430.17-973,496.41-383,145.64

Finding the Fourth Proportional to 705,430.17, 973,496.41 and 383,145.64

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Solution

The fourth proportional to 705,430.17, 973,496.41 and 383,145.64 is: 528,742.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,430.17 : 973,496.41 = 383,145.64 : x
  2. Step 2: Convert to fraction form
    705,430.17/973,496.41 = 383,145.64/x
  3. Step 3: Cross multiply
    705,430.17x = 973,496.41 × 383,145.64
  4. Step 4: Simplify right side
    705,430.17x = 372,990,901,655.55
  5. Step 5: Solve for x
    x = 372,990,901,655.55/705,430.17
  6. Step 6: Final answer
    x = 528,742.49

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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.