Home / 1,090,111.24-1,635,235.98-342,186.76

Finding the Fourth Proportional to 1,090,111.24, 1,635,235.98 and 342,186.76

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Solution

The fourth proportional to 1,090,111.24, 1,635,235.98 and 342,186.76 is: 513,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,111.24 : 1,635,235.98 = 342,186.76 : x
  2. Step 2: Convert to fraction form
    1,090,111.24/1,635,235.98 = 342,186.76/x
  3. Step 3: Cross multiply
    1,090,111.24x = 1,635,235.98 × 342,186.76
  4. Step 4: Simplify right side
    1,090,111.24x = 559,556,101,831.63
  5. Step 5: Solve for x
    x = 559,556,101,831.63/1,090,111.24
  6. Step 6: Final answer
    x = 513,301.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.