Home / 869,872.50-1,200,426.21-507,545.46

Finding the Fourth Proportional to 869,872.50, 1,200,426.21 and 507,545.46

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Solution

The fourth proportional to 869,872.50, 1,200,426.21 and 507,545.46 is: 700,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,872.50 : 1,200,426.21 = 507,545.46 : x
  2. Step 2: Convert to fraction form
    869,872.50/1,200,426.21 = 507,545.46/x
  3. Step 3: Cross multiply
    869,872.50x = 1,200,426.21 × 507,545.46
  4. Step 4: Simplify right side
    869,872.50x = 609,270,872,950.51
  5. Step 5: Solve for x
    x = 609,270,872,950.51/869,872.50
  6. Step 6: Final answer
    x = 700,414.00

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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.