Home / 710,830.98-1,066,542.66-311,758.32

Finding the Fourth Proportional to 710,830.98, 1,066,542.66 and 311,758.32

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Solution

The fourth proportional to 710,830.98, 1,066,542.66 and 311,758.32 is: 467,767.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,830.98 : 1,066,542.66 = 311,758.32 : x
  2. Step 2: Convert to fraction form
    710,830.98/1,066,542.66 = 311,758.32/x
  3. Step 3: Cross multiply
    710,830.98x = 1,066,542.66 × 311,758.32
  4. Step 4: Simplify right side
    710,830.98x = 332,503,547,889.93
  5. Step 5: Solve for x
    x = 332,503,547,889.93/710,830.98
  6. Step 6: Final answer
    x = 467,767.38

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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.