Home / 1,173,045.38-1,618,802.62-636,501.38

Finding the Fourth Proportional to 1,173,045.38, 1,618,802.62 and 636,501.38

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Solution

The fourth proportional to 1,173,045.38, 1,618,802.62 and 636,501.38 is: 878,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,045.38 : 1,618,802.62 = 636,501.38 : x
  2. Step 2: Convert to fraction form
    1,173,045.38/1,618,802.62 = 636,501.38/x
  3. Step 3: Cross multiply
    1,173,045.38x = 1,618,802.62 × 636,501.38
  4. Step 4: Simplify right side
    1,173,045.38x = 1,030,370,091,892.35
  5. Step 5: Solve for x
    x = 1,030,370,091,892.35/1,173,045.38
  6. Step 6: Final answer
    x = 878,371.90

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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.