Home / 498,598.36-688,057.06-283,733.96

Finding the Fourth Proportional to 498,598.36, 688,057.06 and 283,733.96

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Solution

The fourth proportional to 498,598.36, 688,057.06 and 283,733.96 is: 391,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,598.36 : 688,057.06 = 283,733.96 : x
  2. Step 2: Convert to fraction form
    498,598.36/688,057.06 = 283,733.96/x
  3. Step 3: Cross multiply
    498,598.36x = 688,057.06 × 283,733.96
  4. Step 4: Simplify right side
    498,598.36x = 195,225,154,339.76
  5. Step 5: Solve for x
    x = 195,225,154,339.76/498,598.36
  6. Step 6: Final answer
    x = 391,547.93

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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.