Home / 1,025,475.40-1,537,598.70-527,811.40

Finding the Fourth Proportional to 1,025,475.40, 1,537,598.70 and 527,811.40

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Solution

The fourth proportional to 1,025,475.40, 1,537,598.70 and 527,811.40 is: 791,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,475.40 : 1,537,598.70 = 527,811.40 : x
  2. Step 2: Convert to fraction form
    1,025,475.40/1,537,598.70 = 527,811.40/x
  3. Step 3: Cross multiply
    1,025,475.40x = 1,537,598.70 × 527,811.40
  4. Step 4: Simplify right side
    1,025,475.40x = 811,562,122,485.18
  5. Step 5: Solve for x
    x = 811,562,122,485.18/1,025,475.40
  6. Step 6: Final answer
    x = 791,400.87

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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.