Home / 554,081.04-826,772.40-520,225.20

Finding the Fourth Proportional to 554,081.04, 826,772.40 and 520,225.20

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Solution

The fourth proportional to 554,081.04, 826,772.40 and 520,225.20 is: 776,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,081.04 : 826,772.40 = 520,225.20 : x
  2. Step 2: Convert to fraction form
    554,081.04/826,772.40 = 520,225.20/x
  3. Step 3: Cross multiply
    554,081.04x = 826,772.40 × 520,225.20
  4. Step 4: Simplify right side
    554,081.04x = 430,107,837,144.48
  5. Step 5: Solve for x
    x = 430,107,837,144.48/554,081.04
  6. Step 6: Final answer
    x = 776,254.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.