Home / 761,665.34-1,051,057.71-439,356.26

Finding the Fourth Proportional to 761,665.34, 1,051,057.71 and 439,356.26

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Solution

The fourth proportional to 761,665.34, 1,051,057.71 and 439,356.26 is: 606,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,665.34 : 1,051,057.71 = 439,356.26 : x
  2. Step 2: Convert to fraction form
    761,665.34/1,051,057.71 = 439,356.26/x
  3. Step 3: Cross multiply
    761,665.34x = 1,051,057.71 × 439,356.26
  4. Step 4: Simplify right side
    761,665.34x = 461,788,784,509.77
  5. Step 5: Solve for x
    x = 461,788,784,509.77/761,665.34
  6. Step 6: Final answer
    x = 606,288.30

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Double scale
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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.