Home / 707,038.79-975,734.06-384,769.67

Finding the Fourth Proportional to 707,038.79, 975,734.06 and 384,769.67

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Solution

The fourth proportional to 707,038.79, 975,734.06 and 384,769.67 is: 530,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,038.79 : 975,734.06 = 384,769.67 : x
  2. Step 2: Convert to fraction form
    707,038.79/975,734.06 = 384,769.67/x
  3. Step 3: Cross multiply
    707,038.79x = 975,734.06 × 384,769.67
  4. Step 4: Simplify right side
    707,038.79x = 375,432,865,471.44
  5. Step 5: Solve for x
    x = 375,432,865,471.44/707,038.79
  6. Step 6: Final answer
    x = 530,993.31

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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.