Home / 1,223,197.76-1,688,261.28-706,973.60

Finding the Fourth Proportional to 1,223,197.76, 1,688,261.28 and 706,973.60

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Solution

The fourth proportional to 1,223,197.76, 1,688,261.28 and 706,973.60 is: 975,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,197.76 : 1,688,261.28 = 706,973.60 : x
  2. Step 2: Convert to fraction form
    1,223,197.76/1,688,261.28 = 706,973.60/x
  3. Step 3: Cross multiply
    1,223,197.76x = 1,688,261.28 × 706,973.60
  4. Step 4: Simplify right side
    1,223,197.76x = 1,193,556,154,862.21
  5. Step 5: Solve for x
    x = 1,193,556,154,862.21/1,223,197.76
  6. Step 6: Final answer
    x = 975,767.12

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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.