Home / 943,074.48-1,301,389.80-513,328.98

Finding the Fourth Proportional to 943,074.48, 1,301,389.80 and 513,328.98

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Solution

The fourth proportional to 943,074.48, 1,301,389.80 and 513,328.98 is: 708,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,074.48 : 1,301,389.80 = 513,328.98 : x
  2. Step 2: Convert to fraction form
    943,074.48/1,301,389.80 = 513,328.98/x
  3. Step 3: Cross multiply
    943,074.48x = 1,301,389.80 × 513,328.98
  4. Step 4: Simplify right side
    943,074.48x = 668,041,098,616.40
  5. Step 5: Solve for x
    x = 668,041,098,616.40/943,074.48
  6. Step 6: Final answer
    x = 708,365.15

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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.