Home / 1,235,985.32-1,705,518.78-692,045.48

Finding the Fourth Proportional to 1,235,985.32, 1,705,518.78 and 692,045.48

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Solution

The fourth proportional to 1,235,985.32, 1,705,518.78 and 692,045.48 is: 954,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,985.32 : 1,705,518.78 = 692,045.48 : x
  2. Step 2: Convert to fraction form
    1,235,985.32/1,705,518.78 = 692,045.48/x
  3. Step 3: Cross multiply
    1,235,985.32x = 1,705,518.78 × 692,045.48
  4. Step 4: Simplify right side
    1,235,985.32x = 1,180,296,562,754.11
  5. Step 5: Solve for x
    x = 1,180,296,562,754.11/1,235,985.32
  6. Step 6: Final answer
    x = 954,943.84

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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.