Home / 983,453.31-1,475,442.47-352,430.91

Finding the Fourth Proportional to 983,453.31, 1,475,442.47 and 352,430.91

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Solution

The fourth proportional to 983,453.31, 1,475,442.47 and 352,430.91 is: 528,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,453.31 : 1,475,442.47 = 352,430.91 : x
  2. Step 2: Convert to fraction form
    983,453.31/1,475,442.47 = 352,430.91/x
  3. Step 3: Cross multiply
    983,453.31x = 1,475,442.47 × 352,430.91
  4. Step 4: Simplify right side
    983,453.31x = 519,991,524,096.46
  5. Step 5: Solve for x
    x = 519,991,524,096.46/983,453.31
  6. Step 6: Final answer
    x = 528,740.43

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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.