Home / 954,918-1,317,797.76-525,205.20

Finding the Fourth Proportional to 954,918, 1,317,797.76 and 525,205.20

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Solution

The fourth proportional to 954,918, 1,317,797.76 and 525,205.20 is: 724,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,918 : 1,317,797.76 = 525,205.20 : x
  2. Step 2: Convert to fraction form
    954,918/1,317,797.76 = 525,205.20/x
  3. Step 3: Cross multiply
    954,918x = 1,317,797.76 × 525,205.20
  4. Step 4: Simplify right side
    954,918x = 692,114,236,100.35
  5. Step 5: Solve for x
    x = 692,114,236,100.35/954,918
  6. Step 6: Final answer
    x = 724,789.18

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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.