Home / 1,220,554.38-1,830,581.31-462,134.19

Finding the Fourth Proportional to 1,220,554.38, 1,830,581.31 and 462,134.19

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Solution

The fourth proportional to 1,220,554.38, 1,830,581.31 and 462,134.19 is: 693,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,554.38 : 1,830,581.31 = 462,134.19 : x
  2. Step 2: Convert to fraction form
    1,220,554.38/1,830,581.31 = 462,134.19/x
  3. Step 3: Cross multiply
    1,220,554.38x = 1,830,581.31 × 462,134.19
  4. Step 4: Simplify right side
    1,220,554.38x = 845,974,210,925.99
  5. Step 5: Solve for x
    x = 845,974,210,925.99/1,220,554.38
  6. Step 6: Final answer
    x = 693,106.53

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Double scale
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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.