Home / 1,539,205.40-2,308,808.10-417,274.40

Finding the Fourth Proportional to 1,539,205.40, 2,308,808.10 and 417,274.40

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Solution

The fourth proportional to 1,539,205.40, 2,308,808.10 and 417,274.40 is: 625,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,205.40 : 2,308,808.10 = 417,274.40 : x
  2. Step 2: Convert to fraction form
    1,539,205.40/2,308,808.10 = 417,274.40/x
  3. Step 3: Cross multiply
    1,539,205.40x = 2,308,808.10 × 417,274.40
  4. Step 4: Simplify right side
    1,539,205.40x = 963,406,514,642.64
  5. Step 5: Solve for x
    x = 963,406,514,642.64/1,539,205.40
  6. Step 6: Final answer
    x = 625,911.60

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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.