Home / 832,461.63-1,248,186.80-326,416.33

Finding the Fourth Proportional to 832,461.63, 1,248,186.80 and 326,416.33

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Solution

The fourth proportional to 832,461.63, 1,248,186.80 and 326,416.33 is: 489,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,461.63 : 1,248,186.80 = 326,416.33 : x
  2. Step 2: Convert to fraction form
    832,461.63/1,248,186.80 = 326,416.33/x
  3. Step 3: Cross multiply
    832,461.63x = 1,248,186.80 × 326,416.33
  4. Step 4: Simplify right side
    832,461.63x = 407,428,554,410.44
  5. Step 5: Solve for x
    x = 407,428,554,410.44/832,461.63
  6. Step 6: Final answer
    x = 489,426.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.