Home / 563,122.16-777,108.73-308,482.40

Finding the Fourth Proportional to 563,122.16, 777,108.73 and 308,482.40

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Solution

The fourth proportional to 563,122.16, 777,108.73 and 308,482.40 is: 425,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,122.16 : 777,108.73 = 308,482.40 : x
  2. Step 2: Convert to fraction form
    563,122.16/777,108.73 = 308,482.40/x
  3. Step 3: Cross multiply
    563,122.16x = 777,108.73 × 308,482.40
  4. Step 4: Simplify right side
    563,122.16x = 239,724,366,091.35
  5. Step 5: Solve for x
    x = 239,724,366,091.35/563,122.16
  6. Step 6: Final answer
    x = 425,705.79

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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.