Home / 907,719.40-1,252,544.10-525,693.16

Finding the Fourth Proportional to 907,719.40, 1,252,544.10 and 525,693.16

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Solution

The fourth proportional to 907,719.40, 1,252,544.10 and 525,693.16 is: 725,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,719.40 : 1,252,544.10 = 525,693.16 : x
  2. Step 2: Convert to fraction form
    907,719.40/1,252,544.10 = 525,693.16/x
  3. Step 3: Cross multiply
    907,719.40x = 1,252,544.10 × 525,693.16
  4. Step 4: Simplify right side
    907,719.40x = 658,453,865,968.36
  5. Step 5: Solve for x
    x = 658,453,865,968.36/907,719.40
  6. Step 6: Final answer
    x = 725,393.62

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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.