Home / 757,605.69-1,045,521-413,460.45

Finding the Fourth Proportional to 757,605.69, 1,045,521 and 413,460.45

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Solution

The fourth proportional to 757,605.69, 1,045,521 and 413,460.45 is: 570,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,605.69 : 1,045,521 = 413,460.45 : x
  2. Step 2: Convert to fraction form
    757,605.69/1,045,521 = 413,460.45/x
  3. Step 3: Cross multiply
    757,605.69x = 1,045,521 × 413,460.45
  4. Step 4: Simplify right side
    757,605.69x = 432,281,583,144.45
  5. Step 5: Solve for x
    x = 432,281,583,144.45/757,605.69
  6. Step 6: Final answer
    x = 570,589.15

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Double scale
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Similar ratio
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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.