Home / 717,210.48-1,075,504.68-243,768.72

Finding the Fourth Proportional to 717,210.48, 1,075,504.68 and 243,768.72

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Solution

The fourth proportional to 717,210.48, 1,075,504.68 and 243,768.72 is: 365,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,210.48 : 1,075,504.68 = 243,768.72 : x
  2. Step 2: Convert to fraction form
    717,210.48/1,075,504.68 = 243,768.72/x
  3. Step 3: Cross multiply
    717,210.48x = 1,075,504.68 × 243,768.72
  4. Step 4: Simplify right side
    717,210.48x = 262,174,399,197.61
  5. Step 5: Solve for x
    x = 262,174,399,197.61/717,210.48
  6. Step 6: Final answer
    x = 365,547.36

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1.5x scale

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.