Home / 872,848.04-1,204,511.38-505,340.68

Finding the Fourth Proportional to 872,848.04, 1,204,511.38 and 505,340.68

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Solution

The fourth proportional to 872,848.04, 1,204,511.38 and 505,340.68 is: 697,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,848.04 : 1,204,511.38 = 505,340.68 : x
  2. Step 2: Convert to fraction form
    872,848.04/1,204,511.38 = 505,340.68/x
  3. Step 3: Cross multiply
    872,848.04x = 1,204,511.38 × 505,340.68
  4. Step 4: Simplify right side
    872,848.04x = 608,688,599,836.94
  5. Step 5: Solve for x
    x = 608,688,599,836.94/872,848.04
  6. Step 6: Final answer
    x = 697,359.19

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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.