Home / 1,427,128.01-2,141,006.79-416,329.01

Finding the Fourth Proportional to 1,427,128.01, 2,141,006.79 and 416,329.01

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Solution

The fourth proportional to 1,427,128.01, 2,141,006.79 and 416,329.01 is: 624,585.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,128.01 : 2,141,006.79 = 416,329.01 : x
  2. Step 2: Convert to fraction form
    1,427,128.01/2,141,006.79 = 416,329.01/x
  3. Step 3: Cross multiply
    1,427,128.01x = 2,141,006.79 × 416,329.01
  4. Step 4: Simplify right side
    1,427,128.01x = 891,363,237,283.98
  5. Step 5: Solve for x
    x = 891,363,237,283.98/1,427,128.01
  6. Step 6: Final answer
    x = 624,585.34

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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.