Home / 649,681.50-896,566.43-359,278.05

Finding the Fourth Proportional to 649,681.50, 896,566.43 and 359,278.05

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Solution

The fourth proportional to 649,681.50, 896,566.43 and 359,278.05 is: 495,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,681.50 : 896,566.43 = 359,278.05 : x
  2. Step 2: Convert to fraction form
    649,681.50/896,566.43 = 359,278.05/x
  3. Step 3: Cross multiply
    649,681.50x = 896,566.43 × 359,278.05
  4. Step 4: Simplify right side
    649,681.50x = 322,116,641,979.45
  5. Step 5: Solve for x
    x = 322,116,641,979.45/649,681.50
  6. Step 6: Final answer
    x = 495,807.01

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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.