Home / 898,427.32-1,239,683.43-530,853.26

Finding the Fourth Proportional to 898,427.32, 1,239,683.43 and 530,853.26

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Solution

The fourth proportional to 898,427.32, 1,239,683.43 and 530,853.26 is: 732,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,427.32 : 1,239,683.43 = 530,853.26 : x
  2. Step 2: Convert to fraction form
    898,427.32/1,239,683.43 = 530,853.26/x
  3. Step 3: Cross multiply
    898,427.32x = 1,239,683.43 × 530,853.26
  4. Step 4: Simplify right side
    898,427.32x = 658,089,985,975.76
  5. Step 5: Solve for x
    x = 658,089,985,975.76/898,427.32
  6. Step 6: Final answer
    x = 732,491.07

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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.