Home / 770,465.61-1,063,184.81-430,868.25

Finding the Fourth Proportional to 770,465.61, 1,063,184.81 and 430,868.25

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Solution

The fourth proportional to 770,465.61, 1,063,184.81 and 430,868.25 is: 594,565.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,465.61 : 1,063,184.81 = 430,868.25 : x
  2. Step 2: Convert to fraction form
    770,465.61/1,063,184.81 = 430,868.25/x
  3. Step 3: Cross multiply
    770,465.61x = 1,063,184.81 × 430,868.25
  4. Step 4: Simplify right side
    770,465.61x = 458,092,576,356.94
  5. Step 5: Solve for x
    x = 458,092,576,356.94/770,465.61
  6. Step 6: Final answer
    x = 594,565.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.