Home / 830,611.06-1,146,244.06-448,637.83

Finding the Fourth Proportional to 830,611.06, 1,146,244.06 and 448,637.83

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Solution

The fourth proportional to 830,611.06, 1,146,244.06 and 448,637.83 is: 619,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,611.06 : 1,146,244.06 = 448,637.83 : x
  2. Step 2: Convert to fraction form
    830,611.06/1,146,244.06 = 448,637.83/x
  3. Step 3: Cross multiply
    830,611.06x = 1,146,244.06 × 448,637.83
  4. Step 4: Simplify right side
    830,611.06x = 514,248,447,728.79
  5. Step 5: Solve for x
    x = 514,248,447,728.79/830,611.06
  6. Step 6: Final answer
    x = 619,120.64

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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.