Home / 684,104.69-944,330.87-612,360.65

Finding the Fourth Proportional to 684,104.69, 944,330.87 and 612,360.65

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Solution

The fourth proportional to 684,104.69, 944,330.87 and 612,360.65 is: 845,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,104.69 : 944,330.87 = 612,360.65 : x
  2. Step 2: Convert to fraction form
    684,104.69/944,330.87 = 612,360.65/x
  3. Step 3: Cross multiply
    684,104.69x = 944,330.87 × 612,360.65
  4. Step 4: Simplify right side
    684,104.69x = 578,271,065,368.27
  5. Step 5: Solve for x
    x = 578,271,065,368.27/684,104.69
  6. Step 6: Final answer
    x = 845,296.16

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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.