Home / 909,345.68-1,254,965.48-527,369.04

Finding the Fourth Proportional to 909,345.68, 1,254,965.48 and 527,369.04

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Solution

The fourth proportional to 909,345.68, 1,254,965.48 and 527,369.04 is: 727,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,345.68 : 1,254,965.48 = 527,369.04 : x
  2. Step 2: Convert to fraction form
    909,345.68/1,254,965.48 = 527,369.04/x
  3. Step 3: Cross multiply
    909,345.68x = 1,254,965.48 × 527,369.04
  4. Step 4: Simplify right side
    909,345.68x = 661,829,940,420.74
  5. Step 5: Solve for x
    x = 661,829,940,420.74/909,345.68
  6. Step 6: Final answer
    x = 727,808.97

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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.