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Finding the Fourth Proportional to 1,274,240,726.02, 1,758,540,580.50 and 772,470,659.26

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Solution

The fourth proportional to 1,274,240,726.02, 1,758,540,580.50 and 772,470,659.26 is: 1,066,063,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,240,726.02 : 1,758,540,580.50 = 772,470,659.26 : x
  2. Step 2: Convert to fraction form
    1,274,240,726.02/1,758,540,580.50 = 772,470,659.26/x
  3. Step 3: Cross multiply
    1,274,240,726.02x = 1,758,540,580.50 × 772,470,659.26
  4. Step 4: Simplify right side
    1,274,240,726.02x = 1,358,421,001,554,298,112
  5. Step 5: Solve for x
    x = 1,358,421,001,554,298,112/1,274,240,726.02
  6. Step 6: Final answer
    x = 1,066,063,086.68

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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.