Home / 1,119,890.40-1,545,456-610,601.28

Finding the Fourth Proportional to 1,119,890.40, 1,545,456 and 610,601.28

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Solution

The fourth proportional to 1,119,890.40, 1,545,456 and 610,601.28 is: 842,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,890.40 : 1,545,456 = 610,601.28 : x
  2. Step 2: Convert to fraction form
    1,119,890.40/1,545,456 = 610,601.28/x
  3. Step 3: Cross multiply
    1,119,890.40x = 1,545,456 × 610,601.28
  4. Step 4: Simplify right side
    1,119,890.40x = 943,657,411,783.68
  5. Step 5: Solve for x
    x = 943,657,411,783.68/1,119,890.40
  6. Step 6: Final answer
    x = 842,633.72

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Double scale
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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.