Home / 884,308.16-1,219,478.30-561,457.75

Finding the Fourth Proportional to 884,308.16, 1,219,478.30 and 561,457.75

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Solution

The fourth proportional to 884,308.16, 1,219,478.30 and 561,457.75 is: 774,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,308.16 : 1,219,478.30 = 561,457.75 : x
  2. Step 2: Convert to fraction form
    884,308.16/1,219,478.30 = 561,457.75/x
  3. Step 3: Cross multiply
    884,308.16x = 1,219,478.30 × 561,457.75
  4. Step 4: Simplify right side
    884,308.16x = 684,685,542,491.83
  5. Step 5: Solve for x
    x = 684,685,542,491.83/884,308.16
  6. Step 6: Final answer
    x = 774,261.26

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Double scale
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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.