Home / 915,829.84-1,263,905.98-507,948.87

Finding the Fourth Proportional to 915,829.84, 1,263,905.98 and 507,948.87

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Solution

The fourth proportional to 915,829.84, 1,263,905.98 and 507,948.87 is: 701,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,829.84 : 1,263,905.98 = 507,948.87 : x
  2. Step 2: Convert to fraction form
    915,829.84/1,263,905.98 = 507,948.87/x
  3. Step 3: Cross multiply
    915,829.84x = 1,263,905.98 × 507,948.87
  4. Step 4: Simplify right side
    915,829.84x = 641,999,617,797.02
  5. Step 5: Solve for x
    x = 641,999,617,797.02/915,829.84
  6. Step 6: Final answer
    x = 701,003.17

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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.