Home / 943,365.06-1,301,830.74-513,645.21

Finding the Fourth Proportional to 943,365.06, 1,301,830.74 and 513,645.21

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Solution

The fourth proportional to 943,365.06, 1,301,830.74 and 513,645.21 is: 708,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,365.06 : 1,301,830.74 = 513,645.21 : x
  2. Step 2: Convert to fraction form
    943,365.06/1,301,830.74 = 513,645.21/x
  3. Step 3: Cross multiply
    943,365.06x = 1,301,830.74 × 513,645.21
  4. Step 4: Simplify right side
    943,365.06x = 668,679,123,831.76
  5. Step 5: Solve for x
    x = 668,679,123,831.76/943,365.06
  6. Step 6: Final answer
    x = 708,823.29

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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.