Home / 1,071,313.58-1,478,408.56-587,886.81

Finding the Fourth Proportional to 1,071,313.58, 1,478,408.56 and 587,886.81

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Solution

The fourth proportional to 1,071,313.58, 1,478,408.56 and 587,886.81 is: 811,281.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,313.58 : 1,478,408.56 = 587,886.81 : x
  2. Step 2: Convert to fraction form
    1,071,313.58/1,478,408.56 = 587,886.81/x
  3. Step 3: Cross multiply
    1,071,313.58x = 1,478,408.56 × 587,886.81
  4. Step 4: Simplify right side
    1,071,313.58x = 869,136,889,275.66
  5. Step 5: Solve for x
    x = 869,136,889,275.66/1,071,313.58
  6. Step 6: Final answer
    x = 811,281.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.