Home / 917,860.41-1,266,849.72-510,102.36

Finding the Fourth Proportional to 917,860.41, 1,266,849.72 and 510,102.36

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Solution

The fourth proportional to 917,860.41, 1,266,849.72 and 510,102.36 is: 704,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,860.41 : 1,266,849.72 = 510,102.36 : x
  2. Step 2: Convert to fraction form
    917,860.41/1,266,849.72 = 510,102.36/x
  3. Step 3: Cross multiply
    917,860.41x = 1,266,849.72 × 510,102.36
  4. Step 4: Simplify right side
    917,860.41x = 646,223,031,937.34
  5. Step 5: Solve for x
    x = 646,223,031,937.34/917,860.41
  6. Step 6: Final answer
    x = 704,053.72

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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.