Home / 839,450.90-1,259,176.35-709,543.10

Finding the Fourth Proportional to 839,450.90, 1,259,176.35 and 709,543.10

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Solution

The fourth proportional to 839,450.90, 1,259,176.35 and 709,543.10 is: 1,064,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,450.90 : 1,259,176.35 = 709,543.10 : x
  2. Step 2: Convert to fraction form
    839,450.90/1,259,176.35 = 709,543.10/x
  3. Step 3: Cross multiply
    839,450.90x = 1,259,176.35 × 709,543.10
  4. Step 4: Simplify right side
    839,450.90x = 893,439,890,825.69
  5. Step 5: Solve for x
    x = 893,439,890,825.69/839,450.90
  6. Step 6: Final answer
    x = 1,064,314.65

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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.