Home / 1,085,614.68-1,498,216.08-626,813.16

Finding the Fourth Proportional to 1,085,614.68, 1,498,216.08 and 626,813.16

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Solution

The fourth proportional to 1,085,614.68, 1,498,216.08 and 626,813.16 is: 865,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,614.68 : 1,498,216.08 = 626,813.16 : x
  2. Step 2: Convert to fraction form
    1,085,614.68/1,498,216.08 = 626,813.16/x
  3. Step 3: Cross multiply
    1,085,614.68x = 1,498,216.08 × 626,813.16
  4. Step 4: Simplify right side
    1,085,614.68x = 939,101,555,467.61
  5. Step 5: Solve for x
    x = 939,101,555,467.61/1,085,614.68
  6. Step 6: Final answer
    x = 865,041.32

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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.