Home / 742,041.60-1,111,569.75-562,434.23

Finding the Fourth Proportional to 742,041.60, 1,111,569.75 and 562,434.23

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Solution

The fourth proportional to 742,041.60, 1,111,569.75 and 562,434.23 is: 842,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,041.60 : 1,111,569.75 = 562,434.23 : x
  2. Step 2: Convert to fraction form
    742,041.60/1,111,569.75 = 562,434.23/x
  3. Step 3: Cross multiply
    742,041.60x = 1,111,569.75 × 562,434.23
  4. Step 4: Simplify right side
    742,041.60x = 625,184,870,874.69
  5. Step 5: Solve for x
    x = 625,184,870,874.69/742,041.60
  6. Step 6: Final answer
    x = 842,519.98

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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.