Home / 1,315,574.40-1,972,152-473,920.32

Finding the Fourth Proportional to 1,315,574.40, 1,972,152 and 473,920.32

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Solution

The fourth proportional to 1,315,574.40, 1,972,152 and 473,920.32 is: 710,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,574.40 : 1,972,152 = 473,920.32 : x
  2. Step 2: Convert to fraction form
    1,315,574.40/1,972,152 = 473,920.32/x
  3. Step 3: Cross multiply
    1,315,574.40x = 1,972,152 × 473,920.32
  4. Step 4: Simplify right side
    1,315,574.40x = 934,642,906,928.64
  5. Step 5: Solve for x
    x = 934,642,906,928.64/1,315,574.40
  6. Step 6: Final answer
    x = 710,444.74

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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.