Home / 692,215.10-1,036,018.65-502,135.10

Finding the Fourth Proportional to 692,215.10, 1,036,018.65 and 502,135.10

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Solution

The fourth proportional to 692,215.10, 1,036,018.65 and 502,135.10 is: 751,531.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,215.10 : 1,036,018.65 = 502,135.10 : x
  2. Step 2: Convert to fraction form
    692,215.10/1,036,018.65 = 502,135.10/x
  3. Step 3: Cross multiply
    692,215.10x = 1,036,018.65 × 502,135.10
  4. Step 4: Simplify right side
    692,215.10x = 520,221,328,419.62
  5. Step 5: Solve for x
    x = 520,221,328,419.62/692,215.10
  6. Step 6: Final answer
    x = 751,531.32

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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.