Home / 875,095.60-1,312,643.40-749,124.40

Finding the Fourth Proportional to 875,095.60, 1,312,643.40 and 749,124.40

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Solution

The fourth proportional to 875,095.60, 1,312,643.40 and 749,124.40 is: 1,123,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,095.60 : 1,312,643.40 = 749,124.40 : x
  2. Step 2: Convert to fraction form
    875,095.60/1,312,643.40 = 749,124.40/x
  3. Step 3: Cross multiply
    875,095.60x = 1,312,643.40 × 749,124.40
  4. Step 4: Simplify right side
    875,095.60x = 983,333,199,438.96
  5. Step 5: Solve for x
    x = 983,333,199,438.96/875,095.60
  6. Step 6: Final answer
    x = 1,123,686.60

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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.