Home / 1,010,066.36-1,515,353.33-290,409.40

Finding the Fourth Proportional to 1,010,066.36, 1,515,353.33 and 290,409.40

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Solution

The fourth proportional to 1,010,066.36, 1,515,353.33 and 290,409.40 is: 435,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,066.36 : 1,515,353.33 = 290,409.40 : x
  2. Step 2: Convert to fraction form
    1,010,066.36/1,515,353.33 = 290,409.40/x
  3. Step 3: Cross multiply
    1,010,066.36x = 1,515,353.33 × 290,409.40
  4. Step 4: Simplify right side
    1,010,066.36x = 440,072,853,973.52
  5. Step 5: Solve for x
    x = 440,072,853,973.52/1,010,066.36
  6. Step 6: Final answer
    x = 435,687.07

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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.