Home / 916,154.05-1,374,347.28-347,733.64

Finding the Fourth Proportional to 916,154.05, 1,374,347.28 and 347,733.64

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Solution

The fourth proportional to 916,154.05, 1,374,347.28 and 347,733.64 is: 521,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,154.05 : 1,374,347.28 = 347,733.64 : x
  2. Step 2: Convert to fraction form
    916,154.05/1,374,347.28 = 347,733.64/x
  3. Step 3: Cross multiply
    916,154.05x = 1,374,347.28 × 347,733.64
  4. Step 4: Simplify right side
    916,154.05x = 477,906,782,298.50
  5. Step 5: Solve for x
    x = 477,906,782,298.50/916,154.05
  6. Step 6: Final answer
    x = 521,644.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.