Home / 745,999.93-1,029,480.06-406,468.18

Finding the Fourth Proportional to 745,999.93, 1,029,480.06 and 406,468.18

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Solution

The fourth proportional to 745,999.93, 1,029,480.06 and 406,468.18 is: 560,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,999.93 : 1,029,480.06 = 406,468.18 : x
  2. Step 2: Convert to fraction form
    745,999.93/1,029,480.06 = 406,468.18/x
  3. Step 3: Cross multiply
    745,999.93x = 1,029,480.06 × 406,468.18
  4. Step 4: Simplify right side
    745,999.93x = 418,450,886,334.49
  5. Step 5: Solve for x
    x = 418,450,886,334.49/745,999.93
  6. Step 6: Final answer
    x = 560,926.17

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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.