Home / 1,127,059.49-1,689,585.83-407,240.65

Finding the Fourth Proportional to 1,127,059.49, 1,689,585.83 and 407,240.65

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Solution

The fourth proportional to 1,127,059.49, 1,689,585.83 and 407,240.65 is: 610,498.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,059.49 : 1,689,585.83 = 407,240.65 : x
  2. Step 2: Convert to fraction form
    1,127,059.49/1,689,585.83 = 407,240.65/x
  3. Step 3: Cross multiply
    1,127,059.49x = 1,689,585.83 × 407,240.65
  4. Step 4: Simplify right side
    1,127,059.49x = 688,068,033,815.58
  5. Step 5: Solve for x
    x = 688,068,033,815.58/1,127,059.49
  6. Step 6: Final answer
    x = 610,498.42

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Double scale
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1.5x scale

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.