Home / 907,412.64-1,252,301.76-525,446.16

Finding the Fourth Proportional to 907,412.64, 1,252,301.76 and 525,446.16

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Solution

The fourth proportional to 907,412.64, 1,252,301.76 and 525,446.16 is: 725,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,412.64 : 1,252,301.76 = 525,446.16 : x
  2. Step 2: Convert to fraction form
    907,412.64/1,252,301.76 = 525,446.16/x
  3. Step 3: Cross multiply
    907,412.64x = 1,252,301.76 × 525,446.16
  4. Step 4: Simplify right side
    907,412.64x = 658,017,150,953.24
  5. Step 5: Solve for x
    x = 658,017,150,953.24/907,412.64
  6. Step 6: Final answer
    x = 725,157.58

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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.