Home / 1,057,681.96-1,587,153.30-383,815.84

Finding the Fourth Proportional to 1,057,681.96, 1,587,153.30 and 383,815.84

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Solution

The fourth proportional to 1,057,681.96, 1,587,153.30 and 383,815.84 is: 575,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,681.96 : 1,587,153.30 = 383,815.84 : x
  2. Step 2: Convert to fraction form
    1,057,681.96/1,587,153.30 = 383,815.84/x
  3. Step 3: Cross multiply
    1,057,681.96x = 1,587,153.30 × 383,815.84
  4. Step 4: Simplify right side
    1,057,681.96x = 609,174,577,048.27
  5. Step 5: Solve for x
    x = 609,174,577,048.27/1,057,681.96
  6. Step 6: Final answer
    x = 575,952.51

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Double scale
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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.