Home / 927,807.50-1,389,348.68-611,304.86

Finding the Fourth Proportional to 927,807.50, 1,389,348.68 and 611,304.86

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Solution

The fourth proportional to 927,807.50, 1,389,348.68 and 611,304.86 is: 915,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,807.50 : 1,389,348.68 = 611,304.86 : x
  2. Step 2: Convert to fraction form
    927,807.50/1,389,348.68 = 611,304.86/x
  3. Step 3: Cross multiply
    927,807.50x = 1,389,348.68 × 611,304.86
  4. Step 4: Simplify right side
    927,807.50x = 849,315,590,315.32
  5. Step 5: Solve for x
    x = 849,315,590,315.32/927,807.50
  6. Step 6: Final answer
    x = 915,400.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.