Home / 918,569.49-1,267,554.11-510,646.50

Finding the Fourth Proportional to 918,569.49, 1,267,554.11 and 510,646.50

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Solution

The fourth proportional to 918,569.49, 1,267,554.11 and 510,646.50 is: 704,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,569.49 : 1,267,554.11 = 510,646.50 : x
  2. Step 2: Convert to fraction form
    918,569.49/1,267,554.11 = 510,646.50/x
  3. Step 3: Cross multiply
    918,569.49x = 1,267,554.11 × 510,646.50
  4. Step 4: Simplify right side
    918,569.49x = 647,272,067,917.19
  5. Step 5: Solve for x
    x = 647,272,067,917.19/918,569.49
  6. Step 6: Final answer
    x = 704,652.26

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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.