Home / 1,121,601.42-1,547,802.08-612,303.79

Finding the Fourth Proportional to 1,121,601.42, 1,547,802.08 and 612,303.79

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Solution

The fourth proportional to 1,121,601.42, 1,547,802.08 and 612,303.79 is: 844,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,601.42 : 1,547,802.08 = 612,303.79 : x
  2. Step 2: Convert to fraction form
    1,121,601.42/1,547,802.08 = 612,303.79/x
  3. Step 3: Cross multiply
    1,121,601.42x = 1,547,802.08 × 612,303.79
  4. Step 4: Simplify right side
    1,121,601.42x = 947,725,080,923.26
  5. Step 5: Solve for x
    x = 947,725,080,923.26/1,121,601.42
  6. Step 6: Final answer
    x = 844,974.93

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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.