Home / 559,541.23-772,142.76-317,823.06

Finding the Fourth Proportional to 559,541.23, 772,142.76 and 317,823.06

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Solution

The fourth proportional to 559,541.23, 772,142.76 and 317,823.06 is: 438,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,541.23 : 772,142.76 = 317,823.06 : x
  2. Step 2: Convert to fraction form
    559,541.23/772,142.76 = 317,823.06/x
  3. Step 3: Cross multiply
    559,541.23x = 772,142.76 × 317,823.06
  4. Step 4: Simplify right side
    559,541.23x = 245,404,774,740.05
  5. Step 5: Solve for x
    x = 245,404,774,740.05/559,541.23
  6. Step 6: Final answer
    x = 438,582.11

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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.