Home / 1,153,995.80-1,730,624.34-385,328.48

Finding the Fourth Proportional to 1,153,995.80, 1,730,624.34 and 385,328.48

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Solution

The fourth proportional to 1,153,995.80, 1,730,624.34 and 385,328.48 is: 577,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,995.80 : 1,730,624.34 = 385,328.48 : x
  2. Step 2: Convert to fraction form
    1,153,995.80/1,730,624.34 = 385,328.48/x
  3. Step 3: Cross multiply
    1,153,995.80x = 1,730,624.34 × 385,328.48
  4. Step 4: Simplify right side
    1,153,995.80x = 666,858,846,383.20
  5. Step 5: Solve for x
    x = 666,858,846,383.20/1,153,995.80
  6. Step 6: Final answer
    x = 577,869.39

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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.