Home / 1,210,357.08-1,815,010.20-411,423.84

Finding the Fourth Proportional to 1,210,357.08, 1,815,010.20 and 411,423.84

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Solution

The fourth proportional to 1,210,357.08, 1,815,010.20 and 411,423.84 is: 616,957.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,357.08 : 1,815,010.20 = 411,423.84 : x
  2. Step 2: Convert to fraction form
    1,210,357.08/1,815,010.20 = 411,423.84/x
  3. Step 3: Cross multiply
    1,210,357.08x = 1,815,010.20 × 411,423.84
  4. Step 4: Simplify right side
    1,210,357.08x = 746,738,466,123.17
  5. Step 5: Solve for x
    x = 746,738,466,123.17/1,210,357.08
  6. Step 6: Final answer
    x = 616,957.16

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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.