Home / 967,985.48-1,335,765-538,256.36

Finding the Fourth Proportional to 967,985.48, 1,335,765 and 538,256.36

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Solution

The fourth proportional to 967,985.48, 1,335,765 and 538,256.36 is: 742,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,985.48 : 1,335,765 = 538,256.36 : x
  2. Step 2: Convert to fraction form
    967,985.48/1,335,765 = 538,256.36/x
  3. Step 3: Cross multiply
    967,985.48x = 1,335,765 × 538,256.36
  4. Step 4: Simplify right side
    967,985.48x = 718,984,006,715.40
  5. Step 5: Solve for x
    x = 718,984,006,715.40/967,985.48
  6. Step 6: Final answer
    x = 742,763.21

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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.