Home / 705,132.06-973,082.21-382,842.20

Finding the Fourth Proportional to 705,132.06, 973,082.21 and 382,842.20

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Solution

The fourth proportional to 705,132.06, 973,082.21 and 382,842.20 is: 528,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,132.06 : 973,082.21 = 382,842.20 : x
  2. Step 2: Convert to fraction form
    705,132.06/973,082.21 = 382,842.20/x
  3. Step 3: Cross multiply
    705,132.06x = 973,082.21 × 382,842.20
  4. Step 4: Simplify right side
    705,132.06x = 372,536,931,255.66
  5. Step 5: Solve for x
    x = 372,536,931,255.66/705,132.06
  6. Step 6: Final answer
    x = 528,322.21

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Double scale
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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.