Home / 1,210,870.30-1,815,009.45-411,411.10

Finding the Fourth Proportional to 1,210,870.30, 1,815,009.45 and 411,411.10

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Solution

The fourth proportional to 1,210,870.30, 1,815,009.45 and 411,411.10 is: 616,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,870.30 : 1,815,009.45 = 411,411.10 : x
  2. Step 2: Convert to fraction form
    1,210,870.30/1,815,009.45 = 411,411.10/x
  3. Step 3: Cross multiply
    1,210,870.30x = 1,815,009.45 × 411,411.10
  4. Step 4: Simplify right side
    1,210,870.30x = 746,715,034,334.90
  5. Step 5: Solve for x
    x = 746,715,034,334.90/1,210,870.30
  6. Step 6: Final answer
    x = 616,676.31

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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.