Home / 705,139.56-973,087.02-382,843.13

Finding the Fourth Proportional to 705,139.56, 973,087.02 and 382,843.13

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Solution

The fourth proportional to 705,139.56, 973,087.02 and 382,843.13 is: 528,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,139.56 : 973,087.02 = 382,843.13 : x
  2. Step 2: Convert to fraction form
    705,139.56/973,087.02 = 382,843.13/x
  3. Step 3: Cross multiply
    705,139.56x = 973,087.02 × 382,843.13
  4. Step 4: Simplify right side
    705,139.56x = 372,539,675,633.74
  5. Step 5: Solve for x
    x = 372,539,675,633.74/705,139.56
  6. Step 6: Final answer
    x = 528,320.49

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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.