Home / 1,121,536.14-1,547,719.20-612,238.38

Finding the Fourth Proportional to 1,121,536.14, 1,547,719.20 and 612,238.38

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Solution

The fourth proportional to 1,121,536.14, 1,547,719.20 and 612,238.38 is: 844,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,536.14 : 1,547,719.20 = 612,238.38 : x
  2. Step 2: Convert to fraction form
    1,121,536.14/1,547,719.20 = 612,238.38/x
  3. Step 3: Cross multiply
    1,121,536.14x = 1,547,719.20 × 612,238.38
  4. Step 4: Simplify right side
    1,121,536.14x = 947,573,095,702.90
  5. Step 5: Solve for x
    x = 947,573,095,702.90/1,121,536.14
  6. Step 6: Final answer
    x = 844,888.60

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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.