Home / 914,858.28-1,260,928.20-608,386.88

Finding the Fourth Proportional to 914,858.28, 1,260,928.20 and 608,386.88

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Solution

The fourth proportional to 914,858.28, 1,260,928.20 and 608,386.88 is: 838,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,858.28 : 1,260,928.20 = 608,386.88 : x
  2. Step 2: Convert to fraction form
    914,858.28/1,260,928.20 = 608,386.88/x
  3. Step 3: Cross multiply
    914,858.28x = 1,260,928.20 × 608,386.88
  4. Step 4: Simplify right side
    914,858.28x = 767,132,173,502.02
  5. Step 5: Solve for x
    x = 767,132,173,502.02/914,858.28
  6. Step 6: Final answer
    x = 838,525.69

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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.