Home / 554,340.20-831,510.30-549,091.40

Finding the Fourth Proportional to 554,340.20, 831,510.30 and 549,091.40

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Solution

The fourth proportional to 554,340.20, 831,510.30 and 549,091.40 is: 823,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,340.20 : 831,510.30 = 549,091.40 : x
  2. Step 2: Convert to fraction form
    554,340.20/831,510.30 = 549,091.40/x
  3. Step 3: Cross multiply
    554,340.20x = 831,510.30 × 549,091.40
  4. Step 4: Simplify right side
    554,340.20x = 456,575,154,741.42
  5. Step 5: Solve for x
    x = 456,575,154,741.42/554,340.20
  6. Step 6: Final answer
    x = 823,637.10

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Similar ratio
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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.