Home / 736,978.98-1,017,019.08-414,688.89

Finding the Fourth Proportional to 736,978.98, 1,017,019.08 and 414,688.89

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Solution

The fourth proportional to 736,978.98, 1,017,019.08 and 414,688.89 is: 572,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,978.98 : 1,017,019.08 = 414,688.89 : x
  2. Step 2: Convert to fraction form
    736,978.98/1,017,019.08 = 414,688.89/x
  3. Step 3: Cross multiply
    736,978.98x = 1,017,019.08 × 414,688.89
  4. Step 4: Simplify right side
    736,978.98x = 421,746,513,394.02
  5. Step 5: Solve for x
    x = 421,746,513,394.02/736,978.98
  6. Step 6: Final answer
    x = 572,263.97

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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.