Home / 1,020,040.92-1,528,661.70-645,393.24

Finding the Fourth Proportional to 1,020,040.92, 1,528,661.70 and 645,393.24

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Solution

The fourth proportional to 1,020,040.92, 1,528,661.70 and 645,393.24 is: 967,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,040.92 : 1,528,661.70 = 645,393.24 : x
  2. Step 2: Convert to fraction form
    1,020,040.92/1,528,661.70 = 645,393.24/x
  3. Step 3: Cross multiply
    1,020,040.92x = 1,528,661.70 × 645,393.24
  4. Step 4: Simplify right side
    1,020,040.92x = 986,587,927,426.91
  5. Step 5: Solve for x
    x = 986,587,927,426.91/1,020,040.92
  6. Step 6: Final answer
    x = 967,204.26

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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.