Home / 1,121,042.34-1,547,071.11-611,777.52

Finding the Fourth Proportional to 1,121,042.34, 1,547,071.11 and 611,777.52

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Solution

The fourth proportional to 1,121,042.34, 1,547,071.11 and 611,777.52 is: 844,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,042.34 : 1,547,071.11 = 611,777.52 : x
  2. Step 2: Convert to fraction form
    1,121,042.34/1,547,071.11 = 611,777.52/x
  3. Step 3: Cross multiply
    1,121,042.34x = 1,547,071.11 × 611,777.52
  4. Step 4: Simplify right side
    1,121,042.34x = 946,463,326,939.45
  5. Step 5: Solve for x
    x = 946,463,326,939.45/1,121,042.34
  6. Step 6: Final answer
    x = 844,270.81

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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.