Home / 1,071,130.01-1,478,159.35-612,254.43

Finding the Fourth Proportional to 1,071,130.01, 1,478,159.35 and 612,254.43

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Solution

The fourth proportional to 1,071,130.01, 1,478,159.35 and 612,254.43 is: 844,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,130.01 : 1,478,159.35 = 612,254.43 : x
  2. Step 2: Convert to fraction form
    1,071,130.01/1,478,159.35 = 612,254.43/x
  3. Step 3: Cross multiply
    1,071,130.01x = 1,478,159.35 × 612,254.43
  4. Step 4: Simplify right side
    1,071,130.01x = 905,009,608,752.78
  5. Step 5: Solve for x
    x = 905,009,608,752.78/1,071,130.01
  6. Step 6: Final answer
    x = 844,911.08

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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.