Home / 3,280,574.90-4,920,862.35-1,036,712.90

Finding the Fourth Proportional to 3,280,574.90, 4,920,862.35 and 1,036,712.90

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Solution

The fourth proportional to 3,280,574.90, 4,920,862.35 and 1,036,712.90 is: 1,555,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,574.90 : 4,920,862.35 = 1,036,712.90 : x
  2. Step 2: Convert to fraction form
    3,280,574.90/4,920,862.35 = 1,036,712.90/x
  3. Step 3: Cross multiply
    3,280,574.90x = 4,920,862.35 × 1,036,712.90
  4. Step 4: Simplify right side
    3,280,574.90x = 5,101,521,477,369.31
  5. Step 5: Solve for x
    x = 5,101,521,477,369.31/3,280,574.90
  6. Step 6: Final answer
    x = 1,555,069.35

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1.5x scale

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.