Home / 830,869.02-1,146,600.06-448,896.63

Finding the Fourth Proportional to 830,869.02, 1,146,600.06 and 448,896.63

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Solution

The fourth proportional to 830,869.02, 1,146,600.06 and 448,896.63 is: 619,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,869.02 : 1,146,600.06 = 448,896.63 : x
  2. Step 2: Convert to fraction form
    830,869.02/1,146,600.06 = 448,896.63/x
  3. Step 3: Cross multiply
    830,869.02x = 1,146,600.06 × 448,896.63
  4. Step 4: Simplify right side
    830,869.02x = 514,704,902,891.80
  5. Step 5: Solve for x
    x = 514,704,902,891.80/830,869.02
  6. Step 6: Final answer
    x = 619,477.79

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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.