Home / 626,569.16-864,666.20-340,089.16

Finding the Fourth Proportional to 626,569.16, 864,666.20 and 340,089.16

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Solution

The fourth proportional to 626,569.16, 864,666.20 and 340,089.16 is: 469,323.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,569.16 : 864,666.20 = 340,089.16 : x
  2. Step 2: Convert to fraction form
    626,569.16/864,666.20 = 340,089.16/x
  3. Step 3: Cross multiply
    626,569.16x = 864,666.20 × 340,089.16
  4. Step 4: Simplify right side
    626,569.16x = 294,063,601,638.39
  5. Step 5: Solve for x
    x = 294,063,601,638.39/626,569.16
  6. Step 6: Final answer
    x = 469,323.45

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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.