Home / 840,926.80-1,161,444.36-612,501.76

Finding the Fourth Proportional to 840,926.80, 1,161,444.36 and 612,501.76

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Solution

The fourth proportional to 840,926.80, 1,161,444.36 and 612,501.76 is: 845,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,926.80 : 1,161,444.36 = 612,501.76 : x
  2. Step 2: Convert to fraction form
    840,926.80/1,161,444.36 = 612,501.76/x
  3. Step 3: Cross multiply
    840,926.80x = 1,161,444.36 × 612,501.76
  4. Step 4: Simplify right side
    840,926.80x = 711,386,714,642.07
  5. Step 5: Solve for x
    x = 711,386,714,642.07/840,926.80
  6. Step 6: Final answer
    x = 845,955.58

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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.