Home / 644,106.30-966,159.45-607,364.70

Finding the Fourth Proportional to 644,106.30, 966,159.45 and 607,364.70

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Solution

The fourth proportional to 644,106.30, 966,159.45 and 607,364.70 is: 911,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,106.30 : 966,159.45 = 607,364.70 : x
  2. Step 2: Convert to fraction form
    644,106.30/966,159.45 = 607,364.70/x
  3. Step 3: Cross multiply
    644,106.30x = 966,159.45 × 607,364.70
  4. Step 4: Simplify right side
    644,106.30x = 586,811,144,501.42
  5. Step 5: Solve for x
    x = 586,811,144,501.42/644,106.30
  6. Step 6: Final answer
    x = 911,047.05

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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.