Home / 634,779.40-875,966.26-348,292.36

Finding the Fourth Proportional to 634,779.40, 875,966.26 and 348,292.36

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Solution

The fourth proportional to 634,779.40, 875,966.26 and 348,292.36 is: 480,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,779.40 : 875,966.26 = 348,292.36 : x
  2. Step 2: Convert to fraction form
    634,779.40/875,966.26 = 348,292.36/x
  3. Step 3: Cross multiply
    634,779.40x = 875,966.26 × 348,292.36
  4. Step 4: Simplify right side
    634,779.40x = 305,092,355,975.77
  5. Step 5: Solve for x
    x = 305,092,355,975.77/634,779.40
  6. Step 6: Final answer
    x = 480,627.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.