Home / 1,036,113.47-1,555,055.90-405,470.15

Finding the Fourth Proportional to 1,036,113.47, 1,555,055.90 and 405,470.15

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Solution

The fourth proportional to 1,036,113.47, 1,555,055.90 and 405,470.15 is: 608,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,113.47 : 1,555,055.90 = 405,470.15 : x
  2. Step 2: Convert to fraction form
    1,036,113.47/1,555,055.90 = 405,470.15/x
  3. Step 3: Cross multiply
    1,036,113.47x = 1,555,055.90 × 405,470.15
  4. Step 4: Simplify right side
    1,036,113.47x = 630,528,739,228.76
  5. Step 5: Solve for x
    x = 630,528,739,228.76/1,036,113.47
  6. Step 6: Final answer
    x = 608,551.82

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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.