Home / 1,352,106-1,865,359.80-778,839.12

Finding the Fourth Proportional to 1,352,106, 1,865,359.80 and 778,839.12

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Solution

The fourth proportional to 1,352,106, 1,865,359.80 and 778,839.12 is: 1,074,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,106 : 1,865,359.80 = 778,839.12 : x
  2. Step 2: Convert to fraction form
    1,352,106/1,865,359.80 = 778,839.12/x
  3. Step 3: Cross multiply
    1,352,106x = 1,865,359.80 × 778,839.12
  4. Step 4: Simplify right side
    1,352,106x = 1,452,815,185,115.38
  5. Step 5: Solve for x
    x = 1,452,815,185,115.38/1,352,106
  6. Step 6: Final answer
    x = 1,074,483.20

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1.5x scale

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.