Home / 841,081.64-1,160,518.43-496,742.97

Finding the Fourth Proportional to 841,081.64, 1,160,518.43 and 496,742.97

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Solution

The fourth proportional to 841,081.64, 1,160,518.43 and 496,742.97 is: 685,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,081.64 : 1,160,518.43 = 496,742.97 : x
  2. Step 2: Convert to fraction form
    841,081.64/1,160,518.43 = 496,742.97/x
  3. Step 3: Cross multiply
    841,081.64x = 1,160,518.43 × 496,742.97
  4. Step 4: Simplify right side
    841,081.64x = 576,479,371,657.94
  5. Step 5: Solve for x
    x = 576,479,371,657.94/841,081.64
  6. Step 6: Final answer
    x = 685,402.40

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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.