Home / 1,121,601.73-1,547,802.51-612,304.11

Finding the Fourth Proportional to 1,121,601.73, 1,547,802.51 and 612,304.11

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Solution

The fourth proportional to 1,121,601.73, 1,547,802.51 and 612,304.11 is: 844,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,601.73 : 1,547,802.51 = 612,304.11 : x
  2. Step 2: Convert to fraction form
    1,121,601.73/1,547,802.51 = 612,304.11/x
  3. Step 3: Cross multiply
    1,121,601.73x = 1,547,802.51 × 612,304.11
  4. Step 4: Simplify right side
    1,121,601.73x = 947,725,838,341.32
  5. Step 5: Solve for x
    x = 947,725,838,341.32/1,121,601.73
  6. Step 6: Final answer
    x = 844,975.37

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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.