Home / 1,580,436.81-2,370,661.37-382,357.20

Finding the Fourth Proportional to 1,580,436.81, 2,370,661.37 and 382,357.20

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Solution

The fourth proportional to 1,580,436.81, 2,370,661.37 and 382,357.20 is: 573,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,436.81 : 2,370,661.37 = 382,357.20 : x
  2. Step 2: Convert to fraction form
    1,580,436.81/2,370,661.37 = 382,357.20/x
  3. Step 3: Cross multiply
    1,580,436.81x = 2,370,661.37 × 382,357.20
  4. Step 4: Simplify right side
    1,580,436.81x = 906,439,441,669.58
  5. Step 5: Solve for x
    x = 906,439,441,669.58/1,580,436.81
  6. Step 6: Final answer
    x = 573,537.29

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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.