Home / 1,091,406.40-1,506,186.22-607,971.42

Finding the Fourth Proportional to 1,091,406.40, 1,506,186.22 and 607,971.42

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Solution

The fourth proportional to 1,091,406.40, 1,506,186.22 and 607,971.42 is: 839,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,406.40 : 1,506,186.22 = 607,971.42 : x
  2. Step 2: Convert to fraction form
    1,091,406.40/1,506,186.22 = 607,971.42/x
  3. Step 3: Cross multiply
    1,091,406.40x = 1,506,186.22 × 607,971.42
  4. Step 4: Simplify right side
    1,091,406.40x = 915,718,172,867.93
  5. Step 5: Solve for x
    x = 915,718,172,867.93/1,091,406.40
  6. Step 6: Final answer
    x = 839,025.84

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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.