Home / 705,609.66-973,748.07-383,322.18

Finding the Fourth Proportional to 705,609.66, 973,748.07 and 383,322.18

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Solution

The fourth proportional to 705,609.66, 973,748.07 and 383,322.18 is: 528,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,609.66 : 973,748.07 = 383,322.18 : x
  2. Step 2: Convert to fraction form
    705,609.66/973,748.07 = 383,322.18/x
  3. Step 3: Cross multiply
    705,609.66x = 973,748.07 × 383,322.18
  4. Step 4: Simplify right side
    705,609.66x = 373,259,232,963.19
  5. Step 5: Solve for x
    x = 373,259,232,963.19/705,609.66
  6. Step 6: Final answer
    x = 528,988.27

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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.