Home / 634,586.24-875,756.64-379,888.16

Finding the Fourth Proportional to 634,586.24, 875,756.64 and 379,888.16

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Solution

The fourth proportional to 634,586.24, 875,756.64 and 379,888.16 is: 524,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,586.24 : 875,756.64 = 379,888.16 : x
  2. Step 2: Convert to fraction form
    634,586.24/875,756.64 = 379,888.16/x
  3. Step 3: Cross multiply
    634,586.24x = 875,756.64 × 379,888.16
  4. Step 4: Simplify right side
    634,586.24x = 332,689,578,577.38
  5. Step 5: Solve for x
    x = 332,689,578,577.38/634,586.24
  6. Step 6: Final answer
    x = 524,262.20

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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.