Home / 579,541.80-869,368.08-180,075.30

Finding the Fourth Proportional to 579,541.80, 869,368.08 and 180,075.30

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Solution

The fourth proportional to 579,541.80, 869,368.08 and 180,075.30 is: 270,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,541.80 : 869,368.08 = 180,075.30 : x
  2. Step 2: Convert to fraction form
    579,541.80/869,368.08 = 180,075.30/x
  3. Step 3: Cross multiply
    579,541.80x = 869,368.08 × 180,075.30
  4. Step 4: Simplify right side
    579,541.80x = 156,551,717,816.42
  5. Step 5: Solve for x
    x = 156,551,717,816.42/579,541.80
  6. Step 6: Final answer
    x = 270,130.16

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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.