Home / 1,182,117.40-1,772,657.70-471,909.40

Finding the Fourth Proportional to 1,182,117.40, 1,772,657.70 and 471,909.40

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Solution

The fourth proportional to 1,182,117.40, 1,772,657.70 and 471,909.40 is: 707,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,117.40 : 1,772,657.70 = 471,909.40 : x
  2. Step 2: Convert to fraction form
    1,182,117.40/1,772,657.70 = 471,909.40/x
  3. Step 3: Cross multiply
    1,182,117.40x = 1,772,657.70 × 471,909.40
  4. Step 4: Simplify right side
    1,182,117.40x = 836,533,831,612.38
  5. Step 5: Solve for x
    x = 836,533,831,612.38/1,182,117.40
  6. Step 6: Final answer
    x = 707,657.15

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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.