Home / 1,276,558.90-1,914,886.95-477,756.34

Finding the Fourth Proportional to 1,276,558.90, 1,914,886.95 and 477,756.34

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Solution

The fourth proportional to 1,276,558.90, 1,914,886.95 and 477,756.34 is: 716,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,558.90 : 1,914,886.95 = 477,756.34 : x
  2. Step 2: Convert to fraction form
    1,276,558.90/1,914,886.95 = 477,756.34/x
  3. Step 3: Cross multiply
    1,276,558.90x = 1,914,886.95 × 477,756.34
  4. Step 4: Simplify right side
    1,276,558.90x = 914,849,368,782.55
  5. Step 5: Solve for x
    x = 914,849,368,782.55/1,276,558.90
  6. Step 6: Final answer
    x = 716,652.69

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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.