Home / 746,207.85-1,029,762.93-406,673.13

Finding the Fourth Proportional to 746,207.85, 1,029,762.93 and 406,673.13

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Solution

The fourth proportional to 746,207.85, 1,029,762.93 and 406,673.13 is: 561,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,207.85 : 1,029,762.93 = 406,673.13 : x
  2. Step 2: Convert to fraction form
    746,207.85/1,029,762.93 = 406,673.13/x
  3. Step 3: Cross multiply
    746,207.85x = 1,029,762.93 × 406,673.13
  4. Step 4: Simplify right side
    746,207.85x = 418,776,913,901.07
  5. Step 5: Solve for x
    x = 418,776,913,901.07/746,207.85
  6. Step 6: Final answer
    x = 561,206.79

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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.