Home / 830,084.52-1,243,130.76-474,019.32

Finding the Fourth Proportional to 830,084.52, 1,243,130.76 and 474,019.32

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Solution

The fourth proportional to 830,084.52, 1,243,130.76 and 474,019.32 is: 709,889.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,084.52 : 1,243,130.76 = 474,019.32 : x
  2. Step 2: Convert to fraction form
    830,084.52/1,243,130.76 = 474,019.32/x
  3. Step 3: Cross multiply
    830,084.52x = 1,243,130.76 × 474,019.32
  4. Step 4: Simplify right side
    830,084.52x = 589,267,997,526.28
  5. Step 5: Solve for x
    x = 589,267,997,526.28/830,084.52
  6. Step 6: Final answer
    x = 709,889.15

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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.