Home / 1,315,849.42-1,973,844.60-417,359.32

Finding the Fourth Proportional to 1,315,849.42, 1,973,844.60 and 417,359.32

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Solution

The fourth proportional to 1,315,849.42, 1,973,844.60 and 417,359.32 is: 626,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,849.42 : 1,973,844.60 = 417,359.32 : x
  2. Step 2: Convert to fraction form
    1,315,849.42/1,973,844.60 = 417,359.32/x
  3. Step 3: Cross multiply
    1,315,849.42x = 1,973,844.60 × 417,359.32
  4. Step 4: Simplify right side
    1,315,849.42x = 823,802,440,041.67
  5. Step 5: Solve for x
    x = 823,802,440,041.67/1,315,849.42
  6. Step 6: Final answer
    x = 626,061.33

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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.