Home / 1,001,939.12-1,502,762.81-291,776.48

Finding the Fourth Proportional to 1,001,939.12, 1,502,762.81 and 291,776.48

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Solution

The fourth proportional to 1,001,939.12, 1,502,762.81 and 291,776.48 is: 437,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,939.12 : 1,502,762.81 = 291,776.48 : x
  2. Step 2: Convert to fraction form
    1,001,939.12/1,502,762.81 = 291,776.48/x
  3. Step 3: Cross multiply
    1,001,939.12x = 1,502,762.81 × 291,776.48
  4. Step 4: Simplify right side
    1,001,939.12x = 438,470,842,976.71
  5. Step 5: Solve for x
    x = 438,470,842,976.71/1,001,939.12
  6. Step 6: Final answer
    x = 437,622.24

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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.