Home / 549,830.80-824,746.20-496,686.70

Finding the Fourth Proportional to 549,830.80, 824,746.20 and 496,686.70

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Solution

The fourth proportional to 549,830.80, 824,746.20 and 496,686.70 is: 745,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,830.80 : 824,746.20 = 496,686.70 : x
  2. Step 2: Convert to fraction form
    549,830.80/824,746.20 = 496,686.70/x
  3. Step 3: Cross multiply
    549,830.80x = 824,746.20 × 496,686.70
  4. Step 4: Simplify right side
    549,830.80x = 409,640,468,415.54
  5. Step 5: Solve for x
    x = 409,640,468,415.54/549,830.80
  6. Step 6: Final answer
    x = 745,030.05

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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.