Home / 705,192.80-973,166.06-403,386.80

Finding the Fourth Proportional to 705,192.80, 973,166.06 and 403,386.80

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Solution

The fourth proportional to 705,192.80, 973,166.06 and 403,386.80 is: 556,673.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,192.80 : 973,166.06 = 403,386.80 : x
  2. Step 2: Convert to fraction form
    705,192.80/973,166.06 = 403,386.80/x
  3. Step 3: Cross multiply
    705,192.80x = 973,166.06 × 403,386.80
  4. Step 4: Simplify right side
    705,192.80x = 392,562,342,604.02
  5. Step 5: Solve for x
    x = 392,562,342,604.02/705,192.80
  6. Step 6: Final answer
    x = 556,673.78

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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.