Home / 1,235,808.40-1,852,330.20-525,715.60

Finding the Fourth Proportional to 1,235,808.40, 1,852,330.20 and 525,715.60

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Solution

The fourth proportional to 1,235,808.40, 1,852,330.20 and 525,715.60 is: 787,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,808.40 : 1,852,330.20 = 525,715.60 : x
  2. Step 2: Convert to fraction form
    1,235,808.40/1,852,330.20 = 525,715.60/x
  3. Step 3: Cross multiply
    1,235,808.40x = 1,852,330.20 × 525,715.60
  4. Step 4: Simplify right side
    1,235,808.40x = 973,798,882,491.12
  5. Step 5: Solve for x
    x = 973,798,882,491.12/1,235,808.40
  6. Step 6: Final answer
    x = 787,985.32

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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.