Home / 803,653.06-1,205,479.58-626,292.76

Finding the Fourth Proportional to 803,653.06, 1,205,479.58 and 626,292.76

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Solution

The fourth proportional to 803,653.06, 1,205,479.58 and 626,292.76 is: 939,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,653.06 : 1,205,479.58 = 626,292.76 : x
  2. Step 2: Convert to fraction form
    803,653.06/1,205,479.58 = 626,292.76/x
  3. Step 3: Cross multiply
    803,653.06x = 1,205,479.58 × 626,292.76
  4. Step 4: Simplify right side
    803,653.06x = 754,983,133,281.84
  5. Step 5: Solve for x
    x = 754,983,133,281.84/803,653.06
  6. Step 6: Final answer
    x = 939,439.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.