Home / 1,213,579.40-1,819,931.70-614,341.40

Finding the Fourth Proportional to 1,213,579.40, 1,819,931.70 and 614,341.40

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Solution

The fourth proportional to 1,213,579.40, 1,819,931.70 and 614,341.40 is: 921,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,579.40 : 1,819,931.70 = 614,341.40 : x
  2. Step 2: Convert to fraction form
    1,213,579.40/1,819,931.70 = 614,341.40/x
  3. Step 3: Cross multiply
    1,213,579.40x = 1,819,931.70 × 614,341.40
  4. Step 4: Simplify right side
    1,213,579.40x = 1,118,059,388,482.38
  5. Step 5: Solve for x
    x = 1,118,059,388,482.38/1,213,579.40
  6. Step 6: Final answer
    x = 921,290.68

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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.