Home / 1,050,210.60-1,575,315.90-489,301.80

Finding the Fourth Proportional to 1,050,210.60, 1,575,315.90 and 489,301.80

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Solution

The fourth proportional to 1,050,210.60, 1,575,315.90 and 489,301.80 is: 733,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,210.60 : 1,575,315.90 = 489,301.80 : x
  2. Step 2: Convert to fraction form
    1,050,210.60/1,575,315.90 = 489,301.80/x
  3. Step 3: Cross multiply
    1,050,210.60x = 1,575,315.90 × 489,301.80
  4. Step 4: Simplify right side
    1,050,210.60x = 770,804,905,438.62
  5. Step 5: Solve for x
    x = 770,804,905,438.62/1,050,210.60
  6. Step 6: Final answer
    x = 733,952.70

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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.