Home / 1,084,543.05-1,626,806.39-326,381.25

Finding the Fourth Proportional to 1,084,543.05, 1,626,806.39 and 326,381.25

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Solution

The fourth proportional to 1,084,543.05, 1,626,806.39 and 326,381.25 is: 489,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,543.05 : 1,626,806.39 = 326,381.25 : x
  2. Step 2: Convert to fraction form
    1,084,543.05/1,626,806.39 = 326,381.25/x
  3. Step 3: Cross multiply
    1,084,543.05x = 1,626,806.39 × 326,381.25
  4. Step 4: Simplify right side
    1,084,543.05x = 530,959,101,444.28
  5. Step 5: Solve for x
    x = 530,959,101,444.28/1,084,543.05
  6. Step 6: Final answer
    x = 489,569.41

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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.