Home / 760,415.92-1,049,256.52-438,062.96

Finding the Fourth Proportional to 760,415.92, 1,049,256.52 and 438,062.96

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Solution

The fourth proportional to 760,415.92, 1,049,256.52 and 438,062.96 is: 604,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,415.92 : 1,049,256.52 = 438,062.96 : x
  2. Step 2: Convert to fraction form
    760,415.92/1,049,256.52 = 438,062.96/x
  3. Step 3: Cross multiply
    760,415.92x = 1,049,256.52 × 438,062.96
  4. Step 4: Simplify right side
    760,415.92x = 459,640,416,950.50
  5. Step 5: Solve for x
    x = 459,640,416,950.50/760,415.92
  6. Step 6: Final answer
    x = 604,459.22

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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.