Home / 1,013,500.55-1,398,630.90-554,615.22

Finding the Fourth Proportional to 1,013,500.55, 1,398,630.90 and 554,615.22

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Solution

The fourth proportional to 1,013,500.55, 1,398,630.90 and 554,615.22 is: 765,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,500.55 : 1,398,630.90 = 554,615.22 : x
  2. Step 2: Convert to fraction form
    1,013,500.55/1,398,630.90 = 554,615.22/x
  3. Step 3: Cross multiply
    1,013,500.55x = 1,398,630.90 × 554,615.22
  4. Step 4: Simplify right side
    1,013,500.55x = 775,701,984,302.30
  5. Step 5: Solve for x
    x = 775,701,984,302.30/1,013,500.55
  6. Step 6: Final answer
    x = 765,369.08

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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.