Home / 670,875.21-927,136.13-549,825.57

Finding the Fourth Proportional to 670,875.21, 927,136.13 and 549,825.57

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Solution

The fourth proportional to 670,875.21, 927,136.13 and 549,825.57 is: 759,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,875.21 : 927,136.13 = 549,825.57 : x
  2. Step 2: Convert to fraction form
    670,875.21/927,136.13 = 549,825.57/x
  3. Step 3: Cross multiply
    670,875.21x = 927,136.13 × 549,825.57
  4. Step 4: Simplify right side
    670,875.21x = 509,763,148,395.72
  5. Step 5: Solve for x
    x = 509,763,148,395.72/670,875.21
  6. Step 6: Final answer
    x = 759,847.94

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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.