Home / 1,235,287.80-1,852,931.70-525,137.40

Finding the Fourth Proportional to 1,235,287.80, 1,852,931.70 and 525,137.40

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Solution

The fourth proportional to 1,235,287.80, 1,852,931.70 and 525,137.40 is: 787,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,287.80 : 1,852,931.70 = 525,137.40 : x
  2. Step 2: Convert to fraction form
    1,235,287.80/1,852,931.70 = 525,137.40/x
  3. Step 3: Cross multiply
    1,235,287.80x = 1,852,931.70 × 525,137.40
  4. Step 4: Simplify right side
    1,235,287.80x = 973,043,735,315.58
  5. Step 5: Solve for x
    x = 973,043,735,315.58/1,235,287.80
  6. Step 6: Final answer
    x = 787,706.10

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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.