Home / 959,719.22-1,439,574.76-390,973.48

Finding the Fourth Proportional to 959,719.22, 1,439,574.76 and 390,973.48

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Solution

The fourth proportional to 959,719.22, 1,439,574.76 and 390,973.48 is: 586,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,719.22 : 1,439,574.76 = 390,973.48 : x
  2. Step 2: Convert to fraction form
    959,719.22/1,439,574.76 = 390,973.48/x
  3. Step 3: Cross multiply
    959,719.22x = 1,439,574.76 × 390,973.48
  4. Step 4: Simplify right side
    959,719.22x = 562,835,553,637.37
  5. Step 5: Solve for x
    x = 562,835,553,637.37/959,719.22
  6. Step 6: Final answer
    x = 586,458.56

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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.