Home / 905,204.16-1,249,221.28-502,796.16

Finding the Fourth Proportional to 905,204.16, 1,249,221.28 and 502,796.16

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Solution

The fourth proportional to 905,204.16, 1,249,221.28 and 502,796.16 is: 693,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,204.16 : 1,249,221.28 = 502,796.16 : x
  2. Step 2: Convert to fraction form
    905,204.16/1,249,221.28 = 502,796.16/x
  3. Step 3: Cross multiply
    905,204.16x = 1,249,221.28 × 502,796.16
  4. Step 4: Simplify right side
    905,204.16x = 628,103,662,574.29
  5. Step 5: Solve for x
    x = 628,103,662,574.29/905,204.16
  6. Step 6: Final answer
    x = 693,880.66

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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.