Home / 1,230,323.78-1,697,807.06-671,496.68

Finding the Fourth Proportional to 1,230,323.78, 1,697,807.06 and 671,496.68

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Solution

The fourth proportional to 1,230,323.78, 1,697,807.06 and 671,496.68 is: 926,643.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,323.78 : 1,697,807.06 = 671,496.68 : x
  2. Step 2: Convert to fraction form
    1,230,323.78/1,697,807.06 = 671,496.68/x
  3. Step 3: Cross multiply
    1,230,323.78x = 1,697,807.06 × 671,496.68
  4. Step 4: Simplify right side
    1,230,323.78x = 1,140,071,795,581.53
  5. Step 5: Solve for x
    x = 1,140,071,795,581.53/1,230,323.78
  6. Step 6: Final answer
    x = 926,643.72

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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.