Home / 714,484.80-1,070,852.40-314,701.20

Finding the Fourth Proportional to 714,484.80, 1,070,852.40 and 314,701.20

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Solution

The fourth proportional to 714,484.80, 1,070,852.40 and 314,701.20 is: 471,666.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,484.80 : 1,070,852.40 = 314,701.20 : x
  2. Step 2: Convert to fraction form
    714,484.80/1,070,852.40 = 314,701.20/x
  3. Step 3: Cross multiply
    714,484.80x = 1,070,852.40 × 314,701.20
  4. Step 4: Simplify right side
    714,484.80x = 336,998,535,302.88
  5. Step 5: Solve for x
    x = 336,998,535,302.88/714,484.80
  6. Step 6: Final answer
    x = 471,666.49

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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.