Home / 692,765.40-1,038,176.10-550,853.40

Finding the Fourth Proportional to 692,765.40, 1,038,176.10 and 550,853.40

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Solution

The fourth proportional to 692,765.40, 1,038,176.10 and 550,853.40 is: 825,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,765.40 : 1,038,176.10 = 550,853.40 : x
  2. Step 2: Convert to fraction form
    692,765.40/1,038,176.10 = 550,853.40/x
  3. Step 3: Cross multiply
    692,765.40x = 1,038,176.10 × 550,853.40
  4. Step 4: Simplify right side
    692,765.40x = 571,882,834,483.74
  5. Step 5: Solve for x
    x = 571,882,834,483.74/692,765.40
  6. Step 6: Final answer
    x = 825,507.21

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1.5x scale

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.