Home / 939,927.76-1,407,463.50-648,706.19

Finding the Fourth Proportional to 939,927.76, 1,407,463.50 and 648,706.19

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Solution

The fourth proportional to 939,927.76, 1,407,463.50 and 648,706.19 is: 971,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,927.76 : 1,407,463.50 = 648,706.19 : x
  2. Step 2: Convert to fraction form
    939,927.76/1,407,463.50 = 648,706.19/x
  3. Step 3: Cross multiply
    939,927.76x = 1,407,463.50 × 648,706.19
  4. Step 4: Simplify right side
    939,927.76x = 913,030,290,095.38
  5. Step 5: Solve for x
    x = 913,030,290,095.38/939,927.76
  6. Step 6: Final answer
    x = 971,383.47

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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.