Home / 563,303.88-776,931.91-408,028.25

Finding the Fourth Proportional to 563,303.88, 776,931.91 and 408,028.25

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Solution

The fourth proportional to 563,303.88, 776,931.91 and 408,028.25 is: 562,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,303.88 : 776,931.91 = 408,028.25 : x
  2. Step 2: Convert to fraction form
    563,303.88/776,931.91 = 408,028.25/x
  3. Step 3: Cross multiply
    563,303.88x = 776,931.91 × 408,028.25
  4. Step 4: Simplify right side
    563,303.88x = 317,010,161,681.66
  5. Step 5: Solve for x
    x = 317,010,161,681.66/563,303.88
  6. Step 6: Final answer
    x = 562,769.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.