Home / 913,293.55-1,260,326.23-505,395.13

Finding the Fourth Proportional to 913,293.55, 1,260,326.23 and 505,395.13

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Solution

The fourth proportional to 913,293.55, 1,260,326.23 and 505,395.13 is: 697,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,293.55 : 1,260,326.23 = 505,395.13 : x
  2. Step 2: Convert to fraction form
    913,293.55/1,260,326.23 = 505,395.13/x
  3. Step 3: Cross multiply
    913,293.55x = 1,260,326.23 × 505,395.13
  4. Step 4: Simplify right side
    913,293.55x = 636,962,738,853.26
  5. Step 5: Solve for x
    x = 636,962,738,853.26/913,293.55
  6. Step 6: Final answer
    x = 697,434.84

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Double scale
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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.