Home / 1,390,561.70-2,085,842.55-444,001.70

Finding the Fourth Proportional to 1,390,561.70, 2,085,842.55 and 444,001.70

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Solution

The fourth proportional to 1,390,561.70, 2,085,842.55 and 444,001.70 is: 666,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,561.70 : 2,085,842.55 = 444,001.70 : x
  2. Step 2: Convert to fraction form
    1,390,561.70/2,085,842.55 = 444,001.70/x
  3. Step 3: Cross multiply
    1,390,561.70x = 2,085,842.55 × 444,001.70
  4. Step 4: Simplify right side
    1,390,561.70x = 926,117,638,132.34
  5. Step 5: Solve for x
    x = 926,117,638,132.34/1,390,561.70
  6. Step 6: Final answer
    x = 666,002.55

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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.