Home / 954,520.16-1,317,159.90-561,991.15

Finding the Fourth Proportional to 954,520.16, 1,317,159.90 and 561,991.15

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Solution

The fourth proportional to 954,520.16, 1,317,159.90 and 561,991.15 is: 775,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,520.16 : 1,317,159.90 = 561,991.15 : x
  2. Step 2: Convert to fraction form
    954,520.16/1,317,159.90 = 561,991.15/x
  3. Step 3: Cross multiply
    954,520.16x = 1,317,159.90 × 561,991.15
  4. Step 4: Simplify right side
    954,520.16x = 740,232,208,581.34
  5. Step 5: Solve for x
    x = 740,232,208,581.34/954,520.16
  6. Step 6: Final answer
    x = 775,501.92

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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.