Home / 1,121,600.73-1,547,801.13-612,303.11

Finding the Fourth Proportional to 1,121,600.73, 1,547,801.13 and 612,303.11

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Solution

The fourth proportional to 1,121,600.73, 1,547,801.13 and 612,303.11 is: 844,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,600.73 : 1,547,801.13 = 612,303.11 : x
  2. Step 2: Convert to fraction form
    1,121,600.73/1,547,801.13 = 612,303.11/x
  3. Step 3: Cross multiply
    1,121,600.73x = 1,547,801.13 × 612,303.11
  4. Step 4: Simplify right side
    1,121,600.73x = 947,723,445,921.90
  5. Step 5: Solve for x
    x = 947,723,445,921.90/1,121,600.73
  6. Step 6: Final answer
    x = 844,973.99

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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.