Home / 833,075.10-1,249,612.65-768,121.20

Finding the Fourth Proportional to 833,075.10, 1,249,612.65 and 768,121.20

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Solution

The fourth proportional to 833,075.10, 1,249,612.65 and 768,121.20 is: 1,152,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,075.10 : 1,249,612.65 = 768,121.20 : x
  2. Step 2: Convert to fraction form
    833,075.10/1,249,612.65 = 768,121.20/x
  3. Step 3: Cross multiply
    833,075.10x = 1,249,612.65 × 768,121.20
  4. Step 4: Simplify right side
    833,075.10x = 959,853,968,253.18
  5. Step 5: Solve for x
    x = 959,853,968,253.18/833,075.10
  6. Step 6: Final answer
    x = 1,152,181.80

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Double scale
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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.