Home / 1,719,664.40-2,576,386.20-1,402,403.60

Finding the Fourth Proportional to 1,719,664.40, 2,576,386.20 and 1,402,403.60

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Solution

The fourth proportional to 1,719,664.40, 2,576,386.20 and 1,402,403.60 is: 2,101,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,664.40 : 2,576,386.20 = 1,402,403.60 : x
  2. Step 2: Convert to fraction form
    1,719,664.40/2,576,386.20 = 1,402,403.60/x
  3. Step 3: Cross multiply
    1,719,664.40x = 2,576,386.20 × 1,402,403.60
  4. Step 4: Simplify right side
    1,719,664.40x = 3,613,133,281,870.32
  5. Step 5: Solve for x
    x = 3,613,133,281,870.32/1,719,664.40
  6. Step 6: Final answer
    x = 2,101,068.84

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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.