Home / 1,018,806.70-1,528,210.05-664,512.70

Finding the Fourth Proportional to 1,018,806.70, 1,528,210.05 and 664,512.70

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Solution

The fourth proportional to 1,018,806.70, 1,528,210.05 and 664,512.70 is: 996,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,806.70 : 1,528,210.05 = 664,512.70 : x
  2. Step 2: Convert to fraction form
    1,018,806.70/1,528,210.05 = 664,512.70/x
  3. Step 3: Cross multiply
    1,018,806.70x = 1,528,210.05 × 664,512.70
  4. Step 4: Simplify right side
    1,018,806.70x = 1,015,514,986,492.64
  5. Step 5: Solve for x
    x = 1,015,514,986,492.64/1,018,806.70
  6. Step 6: Final answer
    x = 996,769.05

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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.