Home / 559,543.74-772,146.18-317,825.58

Finding the Fourth Proportional to 559,543.74, 772,146.18 and 317,825.58

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Solution

The fourth proportional to 559,543.74, 772,146.18 and 317,825.58 is: 438,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,543.74 : 772,146.18 = 317,825.58 : x
  2. Step 2: Convert to fraction form
    559,543.74/772,146.18 = 317,825.58/x
  3. Step 3: Cross multiply
    559,543.74x = 772,146.18 × 317,825.58
  4. Step 4: Simplify right side
    559,543.74x = 245,407,807,503.28
  5. Step 5: Solve for x
    x = 245,407,807,503.28/559,543.74
  6. Step 6: Final answer
    x = 438,585.57

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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.