Home / 1,038,609.75-1,433,285.78-561,681.75

Finding the Fourth Proportional to 1,038,609.75, 1,433,285.78 and 561,681.75

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Solution

The fourth proportional to 1,038,609.75, 1,433,285.78 and 561,681.75 is: 775,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,609.75 : 1,433,285.78 = 561,681.75 : x
  2. Step 2: Convert to fraction form
    1,038,609.75/1,433,285.78 = 561,681.75/x
  3. Step 3: Cross multiply
    1,038,609.75x = 1,433,285.78 × 561,681.75
  4. Step 4: Simplify right side
    1,038,609.75x = 805,050,462,352.11
  5. Step 5: Solve for x
    x = 805,050,462,352.11/1,038,609.75
  6. Step 6: Final answer
    x = 775,123.15

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1.5x scale

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.