Home / 944,900.71-1,303,969.19-515,188.01

Finding the Fourth Proportional to 944,900.71, 1,303,969.19 and 515,188.01

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Solution

The fourth proportional to 944,900.71, 1,303,969.19 and 515,188.01 is: 710,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,900.71 : 1,303,969.19 = 515,188.01 : x
  2. Step 2: Convert to fraction form
    944,900.71/1,303,969.19 = 515,188.01/x
  3. Step 3: Cross multiply
    944,900.71x = 1,303,969.19 × 515,188.01
  4. Step 4: Simplify right side
    944,900.71x = 671,789,292,781.40
  5. Step 5: Solve for x
    x = 671,789,292,781.40/944,900.71
  6. Step 6: Final answer
    x = 710,962.84

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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.