Home / 1,038,047.60-1,557,071.40-644,831.60

Finding the Fourth Proportional to 1,038,047.60, 1,557,071.40 and 644,831.60

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Solution

The fourth proportional to 1,038,047.60, 1,557,071.40 and 644,831.60 is: 967,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,047.60 : 1,557,071.40 = 644,831.60 : x
  2. Step 2: Convert to fraction form
    1,038,047.60/1,557,071.40 = 644,831.60/x
  3. Step 3: Cross multiply
    1,038,047.60x = 1,557,071.40 × 644,831.60
  4. Step 4: Simplify right side
    1,038,047.60x = 1,004,048,842,176.24
  5. Step 5: Solve for x
    x = 1,004,048,842,176.24/1,038,047.60
  6. Step 6: Final answer
    x = 967,247.40

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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.