Home / 1,210,191.90-1,815,093.45-368,547.90

Finding the Fourth Proportional to 1,210,191.90, 1,815,093.45 and 368,547.90

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Solution

The fourth proportional to 1,210,191.90, 1,815,093.45 and 368,547.90 is: 552,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,191.90 : 1,815,093.45 = 368,547.90 : x
  2. Step 2: Convert to fraction form
    1,210,191.90/1,815,093.45 = 368,547.90/x
  3. Step 3: Cross multiply
    1,210,191.90x = 1,815,093.45 × 368,547.90
  4. Step 4: Simplify right side
    1,210,191.90x = 668,948,879,301.26
  5. Step 5: Solve for x
    x = 668,948,879,301.26/1,210,191.90
  6. Step 6: Final answer
    x = 552,762.65

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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.