Home / 1,385,941.64-2,078,551.40-586,811.84

Finding the Fourth Proportional to 1,385,941.64, 2,078,551.40 and 586,811.84

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Solution

The fourth proportional to 1,385,941.64, 2,078,551.40 and 586,811.84 is: 880,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,941.64 : 2,078,551.40 = 586,811.84 : x
  2. Step 2: Convert to fraction form
    1,385,941.64/2,078,551.40 = 586,811.84/x
  3. Step 3: Cross multiply
    1,385,941.64x = 2,078,551.40 × 586,811.84
  4. Step 4: Simplify right side
    1,385,941.64x = 1,219,718,558,241.76
  5. Step 5: Solve for x
    x = 1,219,718,558,241.76/1,385,941.64
  6. Step 6: Final answer
    x = 880,064.88

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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.