Home / 1,177,323.40-1,765,985.10-290,859.40

Finding the Fourth Proportional to 1,177,323.40, 1,765,985.10 and 290,859.40

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Solution

The fourth proportional to 1,177,323.40, 1,765,985.10 and 290,859.40 is: 436,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,323.40 : 1,765,985.10 = 290,859.40 : x
  2. Step 2: Convert to fraction form
    1,177,323.40/1,765,985.10 = 290,859.40/x
  3. Step 3: Cross multiply
    1,177,323.40x = 1,765,985.10 × 290,859.40
  4. Step 4: Simplify right side
    1,177,323.40x = 513,653,366,594.94
  5. Step 5: Solve for x
    x = 513,653,366,594.94/1,177,323.40
  6. Step 6: Final answer
    x = 436,289.10

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Double scale
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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.