Home / 1,322,795.48-1,825,466.10-778,955

Finding the Fourth Proportional to 1,322,795.48, 1,825,466.10 and 778,955

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Solution

The fourth proportional to 1,322,795.48, 1,825,466.10 and 778,955 is: 1,074,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,795.48 : 1,825,466.10 = 778,955 : x
  2. Step 2: Convert to fraction form
    1,322,795.48/1,825,466.10 = 778,955/x
  3. Step 3: Cross multiply
    1,322,795.48x = 1,825,466.10 × 778,955
  4. Step 4: Simplify right side
    1,322,795.48x = 1,421,955,945,925.50
  5. Step 5: Solve for x
    x = 1,421,955,945,925.50/1,322,795.48
  6. Step 6: Final answer
    x = 1,074,962.81

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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.