Home / 626,865.84-865,068.12-354,926.16

Finding the Fourth Proportional to 626,865.84, 865,068.12 and 354,926.16

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Solution

The fourth proportional to 626,865.84, 865,068.12 and 354,926.16 is: 489,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,865.84 : 865,068.12 = 354,926.16 : x
  2. Step 2: Convert to fraction form
    626,865.84/865,068.12 = 354,926.16/x
  3. Step 3: Cross multiply
    626,865.84x = 865,068.12 × 354,926.16
  4. Step 4: Simplify right side
    626,865.84x = 307,035,305,970.02
  5. Step 5: Solve for x
    x = 307,035,305,970.02/626,865.84
  6. Step 6: Final answer
    x = 489,794.29

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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.