Home / 661,026.93-912,731.39-507,823.43

Finding the Fourth Proportional to 661,026.93, 912,731.39 and 507,823.43

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Solution

The fourth proportional to 661,026.93, 912,731.39 and 507,823.43 is: 701,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,026.93 : 912,731.39 = 507,823.43 : x
  2. Step 2: Convert to fraction form
    661,026.93/912,731.39 = 507,823.43/x
  3. Step 3: Cross multiply
    661,026.93x = 912,731.39 × 507,823.43
  4. Step 4: Simplify right side
    661,026.93x = 463,506,379,940.03
  5. Step 5: Solve for x
    x = 463,506,379,940.03/661,026.93
  6. Step 6: Final answer
    x = 701,191.38

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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.