Home / 683,279.20-1,025,696.40-402,954.40

Finding the Fourth Proportional to 683,279.20, 1,025,696.40 and 402,954.40

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Solution

The fourth proportional to 683,279.20, 1,025,696.40 and 402,954.40 is: 604,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,279.20 : 1,025,696.40 = 402,954.40 : x
  2. Step 2: Convert to fraction form
    683,279.20/1,025,696.40 = 402,954.40/x
  3. Step 3: Cross multiply
    683,279.20x = 1,025,696.40 × 402,954.40
  4. Step 4: Simplify right side
    683,279.20x = 413,308,877,444.16
  5. Step 5: Solve for x
    x = 413,308,877,444.16/683,279.20
  6. Step 6: Final answer
    x = 604,890.18

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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.