Home / 918,824.42-1,268,005.11-556,314.59

Finding the Fourth Proportional to 918,824.42, 1,268,005.11 and 556,314.59

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Solution

The fourth proportional to 918,824.42, 1,268,005.11 and 556,314.59 is: 767,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,824.42 : 1,268,005.11 = 556,314.59 : x
  2. Step 2: Convert to fraction form
    918,824.42/1,268,005.11 = 556,314.59/x
  3. Step 3: Cross multiply
    918,824.42x = 1,268,005.11 × 556,314.59
  4. Step 4: Simplify right side
    918,824.42x = 705,409,742,887.56
  5. Step 5: Solve for x
    x = 705,409,742,887.56/918,824.42
  6. Step 6: Final answer
    x = 767,730.73

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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.