Home / 1,690,557.19-2,333,219.32-1,070,420

Finding the Fourth Proportional to 1,690,557.19, 2,333,219.32 and 1,070,420

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Solution

The fourth proportional to 1,690,557.19, 2,333,219.32 and 1,070,420 is: 1,477,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,557.19 : 2,333,219.32 = 1,070,420 : x
  2. Step 2: Convert to fraction form
    1,690,557.19/2,333,219.32 = 1,070,420/x
  3. Step 3: Cross multiply
    1,690,557.19x = 2,333,219.32 × 1,070,420
  4. Step 4: Simplify right side
    1,690,557.19x = 2,497,524,624,514.40
  5. Step 5: Solve for x
    x = 2,497,524,624,514.40/1,690,557.19
  6. Step 6: Final answer
    x = 1,477,338.15

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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.