Home / 1,091,045.20-1,505,534.50-607,655.32

Finding the Fourth Proportional to 1,091,045.20, 1,505,534.50 and 607,655.32

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Solution

The fourth proportional to 1,091,045.20, 1,505,534.50 and 607,655.32 is: 838,504.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,045.20 : 1,505,534.50 = 607,655.32 : x
  2. Step 2: Convert to fraction form
    1,091,045.20/1,505,534.50 = 607,655.32/x
  3. Step 3: Cross multiply
    1,091,045.20x = 1,505,534.50 × 607,655.32
  4. Step 4: Simplify right side
    1,091,045.20x = 914,846,048,368.54
  5. Step 5: Solve for x
    x = 914,846,048,368.54/1,091,045.20
  6. Step 6: Final answer
    x = 838,504.26

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Double scale
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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.