Home / 969,440.99-1,337,482.28-561,320.06

Finding the Fourth Proportional to 969,440.99, 1,337,482.28 and 561,320.06

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Solution

The fourth proportional to 969,440.99, 1,337,482.28 and 561,320.06 is: 774,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,440.99 : 1,337,482.28 = 561,320.06 : x
  2. Step 2: Convert to fraction form
    969,440.99/1,337,482.28 = 561,320.06/x
  3. Step 3: Cross multiply
    969,440.99x = 1,337,482.28 × 561,320.06
  4. Step 4: Simplify right side
    969,440.99x = 750,755,638,405.54
  5. Step 5: Solve for x
    x = 750,755,638,405.54/969,440.99
  6. Step 6: Final answer
    x = 774,421.18

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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.