Home / 1,528,136.79-2,108,705.40-883,598.73

Finding the Fourth Proportional to 1,528,136.79, 2,108,705.40 and 883,598.73

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Solution

The fourth proportional to 1,528,136.79, 2,108,705.40 and 883,598.73 is: 1,219,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,136.79 : 2,108,705.40 = 883,598.73 : x
  2. Step 2: Convert to fraction form
    1,528,136.79/2,108,705.40 = 883,598.73/x
  3. Step 3: Cross multiply
    1,528,136.79x = 2,108,705.40 × 883,598.73
  4. Step 4: Simplify right side
    1,528,136.79x = 1,863,249,405,476.50
  5. Step 5: Solve for x
    x = 1,863,249,405,476.50/1,528,136.79
  6. Step 6: Final answer
    x = 1,219,294.91

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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.