Home / 611,173.02-918,254.07-577,182.90

Finding the Fourth Proportional to 611,173.02, 918,254.07 and 577,182.90

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Solution

The fourth proportional to 611,173.02, 918,254.07 and 577,182.90 is: 867,185.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,173.02 : 918,254.07 = 577,182.90 : x
  2. Step 2: Convert to fraction form
    611,173.02/918,254.07 = 577,182.90/x
  3. Step 3: Cross multiply
    611,173.02x = 918,254.07 × 577,182.90
  4. Step 4: Simplify right side
    611,173.02x = 530,000,547,059.40
  5. Step 5: Solve for x
    x = 530,000,547,059.40/611,173.02
  6. Step 6: Final answer
    x = 867,185.77

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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.