Home / 1,525,527.68-2,105,089.02-905,225.92

Finding the Fourth Proportional to 1,525,527.68, 2,105,089.02 and 905,225.92

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Solution

The fourth proportional to 1,525,527.68, 2,105,089.02 and 905,225.92 is: 1,249,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,527.68 : 2,105,089.02 = 905,225.92 : x
  2. Step 2: Convert to fraction form
    1,525,527.68/2,105,089.02 = 905,225.92/x
  3. Step 3: Cross multiply
    1,525,527.68x = 2,105,089.02 × 905,225.92
  4. Step 4: Simplify right side
    1,525,527.68x = 1,905,581,139,548.68
  5. Step 5: Solve for x
    x = 1,905,581,139,548.68/1,525,527.68
  6. Step 6: Final answer
    x = 1,249,129.18

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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.