Home / 1,152,441.46-1,590,327.50-636,184.28

Finding the Fourth Proportional to 1,152,441.46, 1,590,327.50 and 636,184.28

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Solution

The fourth proportional to 1,152,441.46, 1,590,327.50 and 636,184.28 is: 877,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,441.46 : 1,590,327.50 = 636,184.28 : x
  2. Step 2: Convert to fraction form
    1,152,441.46/1,590,327.50 = 636,184.28/x
  3. Step 3: Cross multiply
    1,152,441.46x = 1,590,327.50 × 636,184.28
  4. Step 4: Simplify right side
    1,152,441.46x = 1,011,741,355,551.70
  5. Step 5: Solve for x
    x = 1,011,741,355,551.70/1,152,441.46
  6. Step 6: Final answer
    x = 877,911.28

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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.