Home / 883,927.40-1,326,351.90-385,341.80

Finding the Fourth Proportional to 883,927.40, 1,326,351.90 and 385,341.80

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Solution

The fourth proportional to 883,927.40, 1,326,351.90 and 385,341.80 is: 578,213.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,927.40 : 1,326,351.90 = 385,341.80 : x
  2. Step 2: Convert to fraction form
    883,927.40/1,326,351.90 = 385,341.80/x
  3. Step 3: Cross multiply
    883,927.40x = 1,326,351.90 × 385,341.80
  4. Step 4: Simplify right side
    883,927.40x = 511,098,828,579.42
  5. Step 5: Solve for x
    x = 511,098,828,579.42/883,927.40
  6. Step 6: Final answer
    x = 578,213.58

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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.