Home / 714,191.51-986,045.98-442,547.67

Finding the Fourth Proportional to 714,191.51, 986,045.98 and 442,547.67

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Solution

The fourth proportional to 714,191.51, 986,045.98 and 442,547.67 is: 611,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,191.51 : 986,045.98 = 442,547.67 : x
  2. Step 2: Convert to fraction form
    714,191.51/986,045.98 = 442,547.67/x
  3. Step 3: Cross multiply
    714,191.51x = 986,045.98 × 442,547.67
  4. Step 4: Simplify right side
    714,191.51x = 436,372,350,961.87
  5. Step 5: Solve for x
    x = 436,372,350,961.87/714,191.51
  6. Step 6: Final answer
    x = 611,001.87

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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.