Home / 1,574,359.40-2,361,830.70-509,436.20

Finding the Fourth Proportional to 1,574,359.40, 2,361,830.70 and 509,436.20

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Solution

The fourth proportional to 1,574,359.40, 2,361,830.70 and 509,436.20 is: 764,248.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,359.40 : 2,361,830.70 = 509,436.20 : x
  2. Step 2: Convert to fraction form
    1,574,359.40/2,361,830.70 = 509,436.20/x
  3. Step 3: Cross multiply
    1,574,359.40x = 2,361,830.70 × 509,436.20
  4. Step 4: Simplify right side
    1,574,359.40x = 1,203,202,056,851.34
  5. Step 5: Solve for x
    x = 1,203,202,056,851.34/1,574,359.40
  6. Step 6: Final answer
    x = 764,248.66

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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.