Home / 1,235,208.40-1,852,985.40-525,230.80

Finding the Fourth Proportional to 1,235,208.40, 1,852,985.40 and 525,230.80

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Solution

The fourth proportional to 1,235,208.40, 1,852,985.40 and 525,230.80 is: 787,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,208.40 : 1,852,985.40 = 525,230.80 : x
  2. Step 2: Convert to fraction form
    1,235,208.40/1,852,985.40 = 525,230.80/x
  3. Step 3: Cross multiply
    1,235,208.40x = 1,852,985.40 × 525,230.80
  4. Step 4: Simplify right side
    1,235,208.40x = 973,245,004,030.32
  5. Step 5: Solve for x
    x = 973,245,004,030.32/1,235,208.40
  6. Step 6: Final answer
    x = 787,919.68

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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.