Home / 760,168.40-1,049,143.68-437,815.76

Finding the Fourth Proportional to 760,168.40, 1,049,143.68 and 437,815.76

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Solution

The fourth proportional to 760,168.40, 1,049,143.68 and 437,815.76 is: 604,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,168.40 : 1,049,143.68 = 437,815.76 : x
  2. Step 2: Convert to fraction form
    760,168.40/1,049,143.68 = 437,815.76/x
  3. Step 3: Cross multiply
    760,168.40x = 1,049,143.68 × 437,815.76
  4. Step 4: Simplify right side
    760,168.40x = 459,331,637,608.40
  5. Step 5: Solve for x
    x = 459,331,637,608.40/760,168.40
  6. Step 6: Final answer
    x = 604,249.84

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1.5x scale

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.