Home / 1,085,411.13-1,628,194.46-286,684.71

Finding the Fourth Proportional to 1,085,411.13, 1,628,194.46 and 286,684.71

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Solution

The fourth proportional to 1,085,411.13, 1,628,194.46 and 286,684.71 is: 430,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,411.13 : 1,628,194.46 = 286,684.71 : x
  2. Step 2: Convert to fraction form
    1,085,411.13/1,628,194.46 = 286,684.71/x
  3. Step 3: Cross multiply
    1,085,411.13x = 1,628,194.46 × 286,684.71
  4. Step 4: Simplify right side
    1,085,411.13x = 466,778,455,155.28
  5. Step 5: Solve for x
    x = 466,778,455,155.28/1,085,411.13
  6. Step 6: Final answer
    x = 430,047.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.